490393911

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{70979}}^1$

素因数の和:71043

約数の個数: 24

約数和(自身を含む): 776805120

約数和(自身を除く): 286411209

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 70979, 212937, 496853, 1490559, 3336013, 3477971, 10008039, 10433913, 23352091, 70056273, 163464637, 490393911]

約数ペア:

[(1, 490393911), (3, 163464637), (7, 70056273), (21, 23352091), (47, 10433913), (49, 10008039), (141, 3477971), (147, 3336013), (329, 1490559), (987, 496853), (2303, 212937), (6909, 70979)]