27488125

素因数分解:

$5^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 40287104

約数和(自身を除く): 12798979

約数列:

[1, 5, 7, 25, 35, 61, 103, 125, 175, 305, 427, 515, 625, 721, 875, 1525, 2135, 2575, 3605, 4375, 6283, 7625, 10675, 12875, 18025, 31415, 38125, 43981, 53375, 64375, 90125, 157075, 219905, 266875, 450625, 785375, 1099525, 3926875, 5497625, 27488125]

約数ペア:

[(1, 27488125), (5, 5497625), (7, 3926875), (25, 1099525), (35, 785375), (61, 450625), (103, 266875), (125, 219905), (175, 157075), (305, 90125), (427, 64375), (515, 53375), (625, 43981), (721, 38125), (875, 31415), (1525, 18025), (2135, 12875), (2575, 10675), (3605, 7625), (4375, 6283)]