2687601

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1580559

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 389, 987, 1167, 2303, 2723, 6909, 8169, 18283, 19061, 54849, 57183, 127981, 383943, 895867, 2687601]

約数ペア:

[(1, 2687601), (3, 895867), (7, 383943), (21, 127981), (47, 57183), (49, 54849), (141, 19061), (147, 18283), (329, 8169), (389, 6909), (987, 2723), (1167, 2303)]