9920001

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 17236800

約数和(自身を除く): 7316799

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 179, 203, 273, 377, 537, 609, 637, 1131, 1253, 1421, 1911, 2327, 2639, 3759, 4263, 5191, 6981, 7917, 8771, 15573, 16289, 18473, 26313, 36337, 48867, 55419, 67483, 109011, 114023, 202449, 254359, 342069, 472381, 763077, 1417143, 3306667, 9920001]

約数ペア:

[(1, 9920001), (3, 3306667), (7, 1417143), (13, 763077), (21, 472381), (29, 342069), (39, 254359), (49, 202449), (87, 114023), (91, 109011), (147, 67483), (179, 55419), (203, 48867), (273, 36337), (377, 26313), (537, 18473), (609, 16289), (637, 15573), (1131, 8771), (1253, 7917), (1421, 6981), (1911, 5191), (2327, 4263), (2639, 3759)]