201905145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 383685120

約数和(自身を除く): 181779975

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 139, 169, 191, 195, 417, 507, 573, 585, 695, 845, 955, 1251, 1521, 1719, 1807, 2085, 2483, 2535, 2865, 5421, 6255, 7449, 7605, 8595, 9035, 12415, 16263, 22347, 23491, 26549, 27105, 32279, 37245, 70473, 79647, 81315, 96837, 111735, 117455, 132745, 161395, 211419, 238941, 290511, 345137, 352365, 398235, 484185, 1035411, 1057095, 1194705, 1452555, 1725685, 3106233, 4486781, 5177055, 13460343, 15531165, 22433905, 40381029, 67301715, 201905145]

約数ペア:

[(1, 201905145), (3, 67301715), (5, 40381029), (9, 22433905), (13, 15531165), (15, 13460343), (39, 5177055), (45, 4486781), (65, 3106233), (117, 1725685), (139, 1452555), (169, 1194705), (191, 1057095), (195, 1035411), (417, 484185), (507, 398235), (573, 352365), (585, 345137), (695, 290511), (845, 238941), (955, 211419), (1251, 161395), (1521, 132745), (1719, 117455), (1807, 111735), (2085, 96837), (2483, 81315), (2535, 79647), (2865, 70473), (5421, 37245), (6255, 32279), (7449, 27105), (7605, 26549), (8595, 23491), (9035, 22347), (12415, 16263)]