1801275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 3523584

約数和(自身を除く): 1722309

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 73, 75, 105, 141, 175, 219, 235, 329, 365, 511, 525, 705, 987, 1095, 1175, 1533, 1645, 1825, 2555, 3431, 3525, 4935, 5475, 7665, 8225, 10293, 12775, 17155, 24017, 24675, 38325, 51465, 72051, 85775, 120085, 257325, 360255, 600425, 1801275]

約数ペア:

[(1, 1801275), (3, 600425), (5, 360255), (7, 257325), (15, 120085), (21, 85775), (25, 72051), (35, 51465), (47, 38325), (73, 24675), (75, 24017), (105, 17155), (141, 12775), (175, 10293), (219, 8225), (235, 7665), (329, 5475), (365, 4935), (511, 3525), (525, 3431), (705, 2555), (987, 1825), (1095, 1645), (1175, 1533)]