81844074

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 211438080

約数和(自身を除く): 129594006

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 37, 39, 46, 54, 69, 74, 78, 111, 117, 137, 138, 207, 222, 234, 274, 299, 333, 351, 411, 414, 481, 598, 621, 666, 702, 822, 851, 897, 962, 999, 1233, 1242, 1443, 1702, 1781, 1794, 1998, 2466, 2553, 2691, 2886, 3151, 3562, 3699, 4329, 5069, 5106, 5343, 5382, 6302, 7398, 7659, 8073, 8658, 9453, 10138, 10686, 11063, 12987, 15207, 15318, 16029, 16146, 18906, 22126, 22977, 25974, 28359, 30414, 32058, 33189, 40963, 45621, 45954, 48087, 56718, 65897, 66378, 81926, 85077, 91242, 96174, 99567, 116587, 122889, 131794, 136863, 170154, 197691, 199134, 233174, 245778, 273726, 298701, 349761, 368667, 395382, 593073, 597402, 699522, 737334, 1049283, 1106001, 1186146, 1515631, 1779219, 2098566, 2212002, 3031262, 3147849, 3558438, 4546893, 6295698, 9093786, 13640679, 27281358, 40922037, 81844074]

約数ペア:

[(1, 81844074), (2, 40922037), (3, 27281358), (6, 13640679), (9, 9093786), (13, 6295698), (18, 4546893), (23, 3558438), (26, 3147849), (27, 3031262), (37, 2212002), (39, 2098566), (46, 1779219), (54, 1515631), (69, 1186146), (74, 1106001), (78, 1049283), (111, 737334), (117, 699522), (137, 597402), (138, 593073), (207, 395382), (222, 368667), (234, 349761), (274, 298701), (299, 273726), (333, 245778), (351, 233174), (411, 199134), (414, 197691), (481, 170154), (598, 136863), (621, 131794), (666, 122889), (702, 116587), (822, 99567), (851, 96174), (897, 91242), (962, 85077), (999, 81926), (1233, 66378), (1242, 65897), (1443, 56718), (1702, 48087), (1781, 45954), (1794, 45621), (1998, 40963), (2466, 33189), (2553, 32058), (2691, 30414), (2886, 28359), (3151, 25974), (3562, 22977), (3699, 22126), (4329, 18906), (5069, 16146), (5106, 16029), (5343, 15318), (5382, 15207), (6302, 12987), (7398, 11063), (7659, 10686), (8073, 10138), (8658, 9453)]