1381507218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6857}}^1$

素因数の和:6929

約数の個数: 128

約数和(自身を含む): 3871203840

約数和(自身を除く): 2489696622

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 41, 42, 54, 63, 78, 82, 91, 117, 123, 126, 182, 189, 234, 246, 273, 287, 351, 369, 378, 533, 546, 574, 702, 738, 819, 861, 1066, 1107, 1599, 1638, 1722, 2214, 2457, 2583, 3198, 3731, 4797, 4914, 5166, 6857, 7462, 7749, 9594, 11193, 13714, 14391, 15498, 20571, 22386, 28782, 33579, 41142, 47999, 61713, 67158, 89141, 95998, 100737, 123426, 143997, 178282, 185139, 201474, 267423, 281137, 287994, 370278, 431991, 534846, 562274, 623987, 802269, 843411, 863982, 1247974, 1295973, 1604538, 1686822, 1871961, 1967959, 2406807, 2530233, 2591946, 3654781, 3743922, 3935918, 4813614, 5060466, 5615883, 5903877, 7309562, 7590699, 10964343, 11231766, 11807754, 15181398, 16847649, 17711631, 21928686, 25583467, 32893029, 33695298, 35423262, 51166934, 53134893, 65786058, 76750401, 98679087, 106269786, 153500802, 197358174, 230251203, 460502406, 690753609, 1381507218]

約数ペア:

[(1, 1381507218), (2, 690753609), (3, 460502406), (6, 230251203), (7, 197358174), (9, 153500802), (13, 106269786), (14, 98679087), (18, 76750401), (21, 65786058), (26, 53134893), (27, 51166934), (39, 35423262), (41, 33695298), (42, 32893029), (54, 25583467), (63, 21928686), (78, 17711631), (82, 16847649), (91, 15181398), (117, 11807754), (123, 11231766), (126, 10964343), (182, 7590699), (189, 7309562), (234, 5903877), (246, 5615883), (273, 5060466), (287, 4813614), (351, 3935918), (369, 3743922), (378, 3654781), (533, 2591946), (546, 2530233), (574, 2406807), (702, 1967959), (738, 1871961), (819, 1686822), (861, 1604538), (1066, 1295973), (1107, 1247974), (1599, 863982), (1638, 843411), (1722, 802269), (2214, 623987), (2457, 562274), (2583, 534846), (3198, 431991), (3731, 370278), (4797, 287994), (4914, 281137), (5166, 267423), (6857, 201474), (7462, 185139), (7749, 178282), (9594, 143997), (11193, 123426), (13714, 100737), (14391, 95998), (15498, 89141), (20571, 67158), (22386, 61713), (28782, 47999), (33579, 41142)]