2878864611

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{131437}}^1$

素因数の和:131603

約数の個数: 24

約数和(自身を含む): 4495179600

約数和(自身を除く): 1616314989

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 1043, 3129, 7301, 21903, 131437, 394311, 920059, 2760177, 6440413, 19321239, 19584113, 58752339, 137088791, 411266373, 959621537, 2878864611]

約数ペア:

[(1, 2878864611), (3, 959621537), (7, 411266373), (21, 137088791), (49, 58752339), (147, 19584113), (149, 19321239), (447, 6440413), (1043, 2760177), (3129, 920059), (7301, 394311), (21903, 131437)]