28977759

素因数分解:

$3^2\times {\mathrm{109}}^2\times {\mathrm{271}}^1$

素因数の和:495

約数の個数: 18

約数和(自身を含む): 42400176

約数和(自身を除く): 13422417

約数列:

[1, 3, 9, 109, 271, 327, 813, 981, 2439, 11881, 29539, 35643, 88617, 106929, 265851, 3219751, 9659253, 28977759]

約数ペア:

[(1, 28977759), (3, 9659253), (9, 3219751), (109, 265851), (271, 106929), (327, 88617), (813, 35643), (981, 29539), (2439, 11881)]