15225999

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 22581504

約数和(自身を除く): 7355505

約数列:

[1, 3, 17, 43, 51, 53, 129, 131, 159, 393, 731, 901, 2193, 2227, 2279, 2703, 5633, 6681, 6837, 6943, 16899, 20829, 38743, 95761, 116229, 118031, 287283, 298549, 354093, 895647, 5075333, 15225999]

約数ペア:

[(1, 15225999), (3, 5075333), (17, 895647), (43, 354093), (51, 298549), (53, 287283), (129, 118031), (131, 116229), (159, 95761), (393, 38743), (731, 20829), (901, 16899), (2193, 6943), (2227, 6837), (2279, 6681), (2703, 5633)]