28705875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6959}}^1$

素因数の和:6988

約数の個数: 32

約数和(自身を含む): 52116480

約数和(自身を除く): 23410605

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 6959, 20877, 34795, 76549, 104385, 173975, 229647, 382745, 521925, 869875, 1148235, 1913725, 2609625, 5741175, 9568625, 28705875]

約数ペア:

[(1, 28705875), (3, 9568625), (5, 5741175), (11, 2609625), (15, 1913725), (25, 1148235), (33, 869875), (55, 521925), (75, 382745), (125, 229647), (165, 173975), (275, 104385), (375, 76549), (825, 34795), (1375, 20877), (4125, 6959)]