2521785

素因数分解:

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

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4859136

約数和(自身を除く): 2337351

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 73, 105, 141, 147, 219, 235, 245, 329, 365, 511, 705, 735, 987, 1095, 1533, 1645, 2303, 2555, 3431, 3577, 4935, 6909, 7665, 10293, 10731, 11515, 17155, 17885, 24017, 34545, 51465, 53655, 72051, 120085, 168119, 360255, 504357, 840595, 2521785]

約数ペア:

[(1, 2521785), (3, 840595), (5, 504357), (7, 360255), (15, 168119), (21, 120085), (35, 72051), (47, 53655), (49, 51465), (73, 34545), (105, 24017), (141, 17885), (147, 17155), (219, 11515), (235, 10731), (245, 10293), (329, 7665), (365, 6909), (511, 4935), (705, 3577), (735, 3431), (987, 2555), (1095, 2303), (1533, 1645)]