28857447

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4561}}^1$

素因数の和:4623

約数の個数: 24

約数和(自身を含む): 45072560

約数和(自身を除く): 16215113

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4561, 6327, 13683, 41049, 86659, 168757, 259977, 506271, 779931, 1518813, 3206383, 9619149, 28857447]

約数ペア:

[(1, 28857447), (3, 9619149), (9, 3206383), (19, 1518813), (37, 779931), (57, 506271), (111, 259977), (171, 168757), (333, 86659), (703, 41049), (2109, 13683), (4561, 6327)]