206688375

素因数分解:

$3^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 390574080

約数和(自身を除く): 183885705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 125, 135, 141, 225, 235, 375, 423, 675, 705, 1125, 1175, 1269, 1303, 2115, 3375, 3525, 3909, 5875, 6345, 6515, 10575, 11727, 17625, 19545, 31725, 32575, 35181, 52875, 58635, 61241, 97725, 158625, 162875, 175905, 183723, 293175, 306205, 488625, 551169, 879525, 918615, 1465875, 1531025, 1653507, 2755845, 4397625, 4593075, 7655125, 8267535, 13779225, 22965375, 41337675, 68896125, 206688375]

約数ペア:

[(1, 206688375), (3, 68896125), (5, 41337675), (9, 22965375), (15, 13779225), (25, 8267535), (27, 7655125), (45, 4593075), (47, 4397625), (75, 2755845), (125, 1653507), (135, 1531025), (141, 1465875), (225, 918615), (235, 879525), (375, 551169), (423, 488625), (675, 306205), (705, 293175), (1125, 183723), (1175, 175905), (1269, 162875), (1303, 158625), (2115, 97725), (3375, 61241), (3525, 58635), (3909, 52875), (5875, 35181), (6345, 32575), (6515, 31725), (10575, 19545), (11727, 17625)]