28272573

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4357}}^1$

素因数の和:4473

約数の個数: 24

約数和(自身を含む): 47136128

約数和(自身を除く): 18863555

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4357, 6489, 13071, 30499, 39213, 91497, 274491, 448771, 1346313, 3141397, 4038939, 9424191, 28272573]

約数ペア:

[(1, 28272573), (3, 9424191), (7, 4038939), (9, 3141397), (21, 1346313), (63, 448771), (103, 274491), (309, 91497), (721, 39213), (927, 30499), (2163, 13071), (4357, 6489)]