128515959

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 221798304

約数和(自身を除く): 93282345

約数列:

[1, 3, 9, 11, 13, 33, 39, 61, 99, 117, 143, 183, 429, 549, 671, 793, 1287, 1637, 2013, 2379, 4911, 6039, 7137, 8723, 14733, 18007, 21281, 26169, 54021, 63843, 78507, 99857, 162063, 191529, 234091, 299571, 702273, 898713, 1098427, 1298141, 2106819, 3295281, 3894423, 9885843, 11683269, 14279551, 42838653, 128515959]

約数ペア:

[(1, 128515959), (3, 42838653), (9, 14279551), (11, 11683269), (13, 9885843), (33, 3894423), (39, 3295281), (61, 2106819), (99, 1298141), (117, 1098427), (143, 898713), (183, 702273), (429, 299571), (549, 234091), (671, 191529), (793, 162063), (1287, 99857), (1637, 78507), (2013, 63843), (2379, 54021), (4911, 26169), (6039, 21281), (7137, 18007), (8723, 14733)]