27378975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28081}}^1$

素因数の和:28107

約数の個数: 24

約数和(自身を含む): 48750352

約数和(自身を除く): 21371377

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 28081, 84243, 140405, 365053, 421215, 702025, 1095159, 1825265, 2106075, 5475795, 9126325, 27378975]

約数ペア:

[(1, 27378975), (3, 9126325), (5, 5475795), (13, 2106075), (15, 1825265), (25, 1095159), (39, 702025), (65, 421215), (75, 365053), (195, 140405), (325, 84243), (975, 28081)]