28379385

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5581}}^1$

素因数の和:5705

約数の個数: 24

約数和(自身を含む): 49635144

約数和(自身を除く): 21255759

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 5581, 16743, 27905, 50229, 83715, 251145, 630653, 1891959, 3153265, 5675877, 9459795, 28379385]

約数ペア:

[(1, 28379385), (3, 9459795), (5, 5675877), (9, 3153265), (15, 1891959), (45, 630653), (113, 251145), (339, 83715), (565, 50229), (1017, 27905), (1695, 16743), (5085, 5581)]