1313125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 20

約数和(自身を含む): 1799424

約数和(自身を除く): 486299

約数列:

[1, 5, 11, 25, 55, 125, 191, 275, 625, 955, 1375, 2101, 4775, 6875, 10505, 23875, 52525, 119375, 262625, 1313125]

約数ペア:

[(1, 1313125), (5, 262625), (11, 119375), (25, 52525), (55, 23875), (125, 10505), (191, 6875), (275, 4775), (625, 2101), (955, 1375)]