2921981.00000000

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 10006875

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 2861, 4185, 8583, 14305, 25749, 42915, 77247, 88691, 128745, 266073, 386235, 443455, 798219, 1330365, 2394657, 3991095, 11973285]

約数ペア:

[(1, 11973285), (3, 3991095), (5, 2394657), (9, 1330365), (15, 798219), (27, 443455), (31, 386235), (45, 266073), (93, 128745), (135, 88691), (155, 77247), (279, 42915), (465, 25749), (837, 14305), (1395, 8583), (2861, 4185)]