51663825

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 60

約数和(自身を含む): 98906368

約数和(自身を除く): 47242543

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 465, 675, 775, 823, 837, 1395, 2025, 2325, 2469, 2511, 4115, 4185, 6975, 7407, 12345, 12555, 20575, 20925, 22221, 25513, 37035, 61725, 62775, 66663, 76539, 111105, 127565, 185175, 229617, 333315, 382695, 555525, 637825, 688851, 1148085, 1666575, 1913475, 2066553, 3444255, 5740425, 10332765, 17221275, 51663825]

約数ペア:

[(1, 51663825), (3, 17221275), (5, 10332765), (9, 5740425), (15, 3444255), (25, 2066553), (27, 1913475), (31, 1666575), (45, 1148085), (75, 688851), (81, 637825), (93, 555525), (135, 382695), (155, 333315), (225, 229617), (279, 185175), (405, 127565), (465, 111105), (675, 76539), (775, 66663), (823, 62775), (837, 61725), (1395, 37035), (2025, 25513), (2325, 22221), (2469, 20925), (2511, 20575), (4115, 12555), (4185, 12345), (6975, 7407)]