151221475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1321}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 198352880

約数和(自身を除く): 47131405

約数列:

[1, 5, 19, 25, 95, 241, 475, 1205, 1321, 4579, 6025, 6605, 22895, 25099, 33025, 114475, 125495, 318361, 627475, 1591805, 6048859, 7959025, 30244295, 151221475]

約数ペア:

[(1, 151221475), (5, 30244295), (19, 7959025), (25, 6048859), (95, 1591805), (241, 627475), (475, 318361), (1205, 125495), (1321, 114475), (4579, 33025), (6025, 25099), (6605, 22895)]