28817865

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1597}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 50106888

約数和(自身を除く): 21289023

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 1597, 2005, 3609, 4791, 6015, 7985, 14373, 18045, 23955, 71865, 640397, 1921191, 3201985, 5763573, 9605955, 28817865]

約数ペア:

[(1, 28817865), (3, 9605955), (5, 5763573), (9, 3201985), (15, 1921191), (45, 640397), (401, 71865), (1203, 23955), (1597, 18045), (2005, 14373), (3609, 7985), (4791, 6015)]