2821665

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 5745600

約数和(自身を除く): 2923935

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 349, 385, 539, 735, 1047, 1155, 1617, 1745, 2443, 2695, 3839, 5235, 7329, 8085, 11517, 12215, 17101, 19195, 26873, 36645, 51303, 57585, 80619, 85505, 134365, 188111, 256515, 403095, 564333, 940555, 2821665]

約数ペア:

[(1, 2821665), (3, 940555), (5, 564333), (7, 403095), (11, 256515), (15, 188111), (21, 134365), (33, 85505), (35, 80619), (49, 57585), (55, 51303), (77, 36645), (105, 26873), (147, 19195), (165, 17101), (231, 12215), (245, 11517), (349, 8085), (385, 7329), (539, 5235), (735, 3839), (1047, 2695), (1155, 2443), (1617, 1745)]