12889515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 21125520

約数和(自身を除く): 8236005

約数列:

[1, 3, 5, 15, 47, 141, 235, 389, 705, 1167, 1945, 2209, 5835, 6627, 11045, 18283, 33135, 54849, 91415, 274245, 859301, 2577903, 4296505, 12889515]

約数ペア:

[(1, 12889515), (3, 4296505), (5, 2577903), (15, 859301), (47, 274245), (141, 91415), (235, 54849), (389, 33135), (705, 18283), (1167, 11045), (1945, 6627), (2209, 5835)]