71821875

素因数分解:

$3^1\times 5^5\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 122992128

約数和(自身を除く): 51170253

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 163, 235, 375, 489, 625, 705, 815, 1175, 1875, 2445, 3125, 3525, 4075, 5875, 7661, 9375, 12225, 17625, 20375, 22983, 29375, 38305, 61125, 88125, 101875, 114915, 146875, 191525, 305625, 440625, 509375, 574575, 957625, 1528125, 2872875, 4788125, 14364375, 23940625, 71821875]

約数ペア:

[(1, 71821875), (3, 23940625), (5, 14364375), (15, 4788125), (25, 2872875), (47, 1528125), (75, 957625), (125, 574575), (141, 509375), (163, 440625), (235, 305625), (375, 191525), (489, 146875), (625, 114915), (705, 101875), (815, 88125), (1175, 61125), (1875, 38305), (2445, 29375), (3125, 22983), (3525, 20375), (4075, 17625), (5875, 12225), (7661, 9375)]