28149723

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19427}}^1$

素因数の和:19463

約数の個数: 24

約数和(自身を含む): 48492288

約数和(自身を除く): 20342565

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19427, 58281, 135989, 174843, 407967, 446821, 1223901, 1340463, 3127747, 4021389, 9383241, 28149723]

約数ペア:

[(1, 28149723), (3, 9383241), (7, 4021389), (9, 3127747), (21, 1340463), (23, 1223901), (63, 446821), (69, 407967), (161, 174843), (207, 135989), (483, 58281), (1449, 19427)]