211672551

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{4241}}^1$

素因数の和:4502

約数の個数: 16

約数和(自身を含む): 286691328

約数和(自身を除く): 75018777

約数列:

[1, 3, 127, 131, 381, 393, 4241, 12723, 16637, 49911, 538607, 555571, 1615821, 1666713, 70557517, 211672551]

約数ペア:

[(1, 211672551), (3, 70557517), (127, 1666713), (131, 1615821), (381, 555571), (393, 538607), (4241, 49911), (12723, 16637)]