66297275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{491}}^2$

素因数の和:1003

約数の個数: 18

約数和(自身を含む): 89865156

約数和(自身を除く): 23567881

約数列:

[1, 5, 11, 25, 55, 275, 491, 2455, 5401, 12275, 27005, 135025, 241081, 1205405, 2651891, 6027025, 13259455, 66297275]

約数ペア:

[(1, 66297275), (5, 13259455), (11, 6027025), (25, 2651891), (55, 1205405), (275, 241081), (491, 135025), (2455, 27005), (5401, 12275)]