28572279

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 13245321

約数列:

[1, 3, 23, 29, 69, 87, 109, 131, 327, 393, 667, 2001, 2507, 3013, 3161, 3799, 7521, 9039, 9483, 11397, 14279, 42837, 72703, 87377, 218109, 262131, 328417, 414091, 985251, 1242273, 9524093, 28572279]

約数ペア:

[(1, 28572279), (3, 9524093), (23, 1242273), (29, 985251), (69, 414091), (87, 328417), (109, 262131), (131, 218109), (327, 87377), (393, 72703), (667, 42837), (2001, 14279), (2507, 11397), (3013, 9483), (3161, 9039), (3799, 7521)]