87421125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{21193}}^1$

素因数の和:21222

約数の個数: 32

約数和(自身を含む): 158700672

約数和(自身を除く): 71279547

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 21193, 63579, 105965, 233123, 317895, 529825, 699369, 1165615, 1589475, 2649125, 3496845, 5828075, 7947375, 17484225, 29140375, 87421125]

約数ペア:

[(1, 87421125), (3, 29140375), (5, 17484225), (11, 7947375), (15, 5828075), (25, 3496845), (33, 2649125), (55, 1589475), (75, 1165615), (125, 699369), (165, 529825), (275, 317895), (375, 233123), (825, 105965), (1375, 63579), (4125, 21193)]