1661528739

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1259}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 2545603200

約数和(自身を除く): 884074461

約数列:

[1, 3, 13, 19, 39, 57, 137, 169, 247, 411, 507, 741, 1259, 1781, 2603, 3211, 3777, 5343, 7809, 9633, 16367, 23153, 23921, 33839, 49101, 69459, 71763, 101517, 172483, 212771, 310973, 439907, 517449, 638313, 932919, 1319721, 2242279, 3277177, 4042649, 6726837, 9831531, 12127947, 29149627, 42603301, 87448881, 127809903, 553842913, 1661528739]

約数ペア:

[(1, 1661528739), (3, 553842913), (13, 127809903), (19, 87448881), (39, 42603301), (57, 29149627), (137, 12127947), (169, 9831531), (247, 6726837), (411, 4042649), (507, 3277177), (741, 2242279), (1259, 1319721), (1781, 932919), (2603, 638313), (3211, 517449), (3777, 439907), (5343, 310973), (7809, 212771), (9633, 172483), (16367, 101517), (23153, 71763), (23921, 69459), (33839, 49101)]