2531375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 3953664

約数和(自身を除く): 1422289

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 263, 275, 385, 875, 1315, 1375, 1841, 1925, 2893, 6575, 9205, 9625, 14465, 20251, 32875, 46025, 72325, 101255, 230125, 361625, 506275, 2531375]

約数ペア:

[(1, 2531375), (5, 506275), (7, 361625), (11, 230125), (25, 101255), (35, 72325), (55, 46025), (77, 32875), (125, 20251), (175, 14465), (263, 9625), (275, 9205), (385, 6575), (875, 2893), (1315, 1925), (1375, 1841)]