138839385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13877}}^1$

素因数の和:13937

約数の個数: 32

約数和(自身を含む): 239811840

約数和(自身を除く): 100972455

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 10005, 13877, 41631, 69385, 208155, 319171, 402433, 957513, 1207299, 1595855, 2012165, 4787565, 6036495, 9255959, 27767877, 46279795, 138839385]

約数ペア:

[(1, 138839385), (3, 46279795), (5, 27767877), (15, 9255959), (23, 6036495), (29, 4787565), (69, 2012165), (87, 1595855), (115, 1207299), (145, 957513), (345, 402433), (435, 319171), (667, 208155), (2001, 69385), (3335, 41631), (10005, 13877)]