213880125

素因数分解:

$3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{5647}}^1$

素因数の和:5766

約数の個数: 32

約数和(自身を含む): 359483904

約数和(自身を除く): 145603779

約数列:

[1, 3, 5, 15, 25, 75, 101, 125, 303, 375, 505, 1515, 2525, 5647, 7575, 12625, 16941, 28235, 37875, 84705, 141175, 423525, 570347, 705875, 1711041, 2117625, 2851735, 8555205, 14258675, 42776025, 71293375, 213880125]

約数ペア:

[(1, 213880125), (3, 71293375), (5, 42776025), (15, 14258675), (25, 8555205), (75, 2851735), (101, 2117625), (125, 1711041), (303, 705875), (375, 570347), (505, 423525), (1515, 141175), (2525, 84705), (5647, 37875), (7575, 28235), (12625, 16941)]