128688225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59167}}^1$

素因数の和:59209

約数の個数: 24

約数和(自身を含む): 220104960

約数和(自身を除く): 91416735

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 59167, 177501, 295835, 887505, 1479175, 1715843, 4437525, 5147529, 8579215, 25737645, 42896075, 128688225]

約数ペア:

[(1, 128688225), (3, 42896075), (5, 25737645), (15, 8579215), (25, 5147529), (29, 4437525), (75, 1715843), (87, 1479175), (145, 887505), (435, 295835), (725, 177501), (2175, 59167)]