65565591

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6491}}^1$

素因数の和:6551

約数の個数: 32

約数和(自身を含む): 110519808

約数和(自身を除く): 44954217

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 6491, 10101, 19473, 45437, 84383, 136311, 240167, 253149, 590681, 720501, 1681169, 1772043, 3122171, 5043507, 9366513, 21855197, 65565591]

約数ペア:

[(1, 65565591), (3, 21855197), (7, 9366513), (13, 5043507), (21, 3122171), (37, 1772043), (39, 1681169), (91, 720501), (111, 590681), (259, 253149), (273, 240167), (481, 136311), (777, 84383), (1443, 45437), (3367, 19473), (6491, 10101)]