211050825

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{21481}}^1$

素因数の和:21625

約数の個数: 24

約数和(自身を含む): 351617376

約数和(自身を除く): 140566551

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 21481, 64443, 107405, 322215, 537025, 1611075, 2814011, 8442033, 14070055, 42210165, 70350275, 211050825]

約数ペア:

[(1, 211050825), (3, 70350275), (5, 42210165), (15, 14070055), (25, 8442033), (75, 2814011), (131, 1611075), (393, 537025), (655, 322215), (1965, 107405), (3275, 64443), (9825, 21481)]