121381955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{20113}}^1$

素因数の和:20206

約数の個数: 16

約数和(自身を含む): 156406464

約数和(自身を除く): 35024509

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 20113, 100565, 341921, 1428023, 1709605, 7140115, 24276391, 121381955]

約数ペア:

[(1, 121381955), (5, 24276391), (17, 7140115), (71, 1709605), (85, 1428023), (355, 341921), (1207, 100565), (6035, 20113)]