645075

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 1199328

約数和(自身を除く): 554253

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 61, 75, 141, 183, 225, 235, 305, 423, 549, 705, 915, 1175, 1525, 2115, 2745, 2867, 3525, 4575, 8601, 10575, 13725, 14335, 25803, 43005, 71675, 129015, 215025, 645075]

約数ペア:

[(1, 645075), (3, 215025), (5, 129015), (9, 71675), (15, 43005), (25, 25803), (45, 14335), (47, 13725), (61, 10575), (75, 8601), (141, 4575), (183, 3525), (225, 2867), (235, 2745), (305, 2115), (423, 1525), (549, 1175), (705, 915)]