281371965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 553153536

約数和(自身を除く): 271781571

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 53, 93, 105, 147, 155, 159, 217, 233, 245, 265, 371, 465, 651, 699, 735, 795, 1085, 1113, 1165, 1519, 1631, 1643, 1855, 2597, 3255, 3495, 4557, 4893, 4929, 5565, 7223, 7595, 7791, 8155, 8215, 11417, 11501, 12349, 12985, 21669, 22785, 24465, 24645, 34251, 34503, 36115, 37047, 38955, 50561, 57085, 57505, 61745, 80507, 86443, 108345, 151683, 171255, 172515, 185235, 241521, 252805, 259329, 353927, 382819, 402535, 432215, 605101, 758415, 1061781, 1148457, 1207605, 1296645, 1769635, 1815303, 1914095, 2679733, 3025505, 5308905, 5742285, 8039199, 9076515, 13398665, 18758131, 40195995, 56274393, 93790655, 281371965]

約数ペア:

[(1, 281371965), (3, 93790655), (5, 56274393), (7, 40195995), (15, 18758131), (21, 13398665), (31, 9076515), (35, 8039199), (49, 5742285), (53, 5308905), (93, 3025505), (105, 2679733), (147, 1914095), (155, 1815303), (159, 1769635), (217, 1296645), (233, 1207605), (245, 1148457), (265, 1061781), (371, 758415), (465, 605101), (651, 432215), (699, 402535), (735, 382819), (795, 353927), (1085, 259329), (1113, 252805), (1165, 241521), (1519, 185235), (1631, 172515), (1643, 171255), (1855, 151683), (2597, 108345), (3255, 86443), (3495, 80507), (4557, 61745), (4893, 57505), (4929, 57085), (5565, 50561), (7223, 38955), (7595, 37047), (7791, 36115), (8155, 34503), (8215, 34251), (11417, 24645), (11501, 24465), (12349, 22785), (12985, 21669)]