220997685

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{27851}}^1$

素因数の和:27905

約数の個数: 24

約数和(自身を含む): 369651744

約数和(自身を除く): 148654059

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 7935, 27851, 83553, 139255, 417765, 640573, 1921719, 3202865, 9608595, 14733179, 44199537, 73665895, 220997685]

約数ペア:

[(1, 220997685), (3, 73665895), (5, 44199537), (15, 14733179), (23, 9608595), (69, 3202865), (115, 1921719), (345, 640573), (529, 417765), (1587, 139255), (2645, 83553), (7935, 27851)]