9180925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 12866364

約数和(自身を除く): 3685439

約数列:

[1, 5, 13, 25, 41, 53, 65, 169, 205, 265, 325, 533, 689, 845, 1025, 1325, 2173, 2665, 3445, 4225, 6929, 8957, 10865, 13325, 17225, 28249, 34645, 44785, 54325, 141245, 173225, 223925, 367237, 706225, 1836185, 9180925]

約数ペア:

[(1, 9180925), (5, 1836185), (13, 706225), (25, 367237), (41, 223925), (53, 173225), (65, 141245), (169, 54325), (205, 44785), (265, 34645), (325, 28249), (533, 17225), (689, 13325), (845, 10865), (1025, 8957), (1325, 6929), (2173, 4225), (2665, 3445)]