248397885

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 470486016

約数和(自身を除く): 222088131

約数列:

[1, 3, 5, 9, 15, 31, 41, 43, 45, 93, 101, 123, 129, 155, 205, 215, 279, 303, 369, 387, 465, 505, 615, 645, 909, 1271, 1333, 1395, 1515, 1763, 1845, 1935, 3131, 3813, 3999, 4141, 4343, 4545, 5289, 6355, 6665, 8815, 9393, 11439, 11997, 12423, 13029, 15655, 15867, 19065, 19995, 20705, 21715, 26445, 28179, 37269, 39087, 46965, 54653, 57195, 59985, 62115, 65145, 79335, 128371, 134633, 140895, 163959, 178063, 186345, 195435, 273265, 385113, 403899, 491877, 534189, 641855, 673165, 819795, 890315, 1155339, 1211697, 1602567, 1925565, 2019495, 2459385, 2670945, 5519953, 5776695, 6058485, 8012835, 16559859, 27599765, 49679577, 82799295, 248397885]

約数ペア:

[(1, 248397885), (3, 82799295), (5, 49679577), (9, 27599765), (15, 16559859), (31, 8012835), (41, 6058485), (43, 5776695), (45, 5519953), (93, 2670945), (101, 2459385), (123, 2019495), (129, 1925565), (155, 1602567), (205, 1211697), (215, 1155339), (279, 890315), (303, 819795), (369, 673165), (387, 641855), (465, 534189), (505, 491877), (615, 403899), (645, 385113), (909, 273265), (1271, 195435), (1333, 186345), (1395, 178063), (1515, 163959), (1763, 140895), (1845, 134633), (1935, 128371), (3131, 79335), (3813, 65145), (3999, 62115), (4141, 59985), (4343, 57195), (4545, 54653), (5289, 46965), (6355, 39087), (6665, 37269), (8815, 28179), (9393, 26445), (11439, 21715), (11997, 20705), (12423, 19995), (13029, 19065), (15655, 15867)]