28378545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145531}}^1$

素因数の和:145552

約数の個数: 16

約数和(自身を含む): 48898752

約数和(自身を除く): 20520207

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145531, 436593, 727655, 1891903, 2182965, 5675709, 9459515, 28378545]

約数ペア:

[(1, 28378545), (3, 9459515), (5, 5675709), (13, 2182965), (15, 1891903), (39, 727655), (65, 436593), (195, 145531)]