81520653

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 114275200

約数和(自身を除く): 32754547

約数列:

[1, 3, 29, 79, 87, 237, 409, 841, 1227, 2291, 2523, 6873, 11861, 32311, 35583, 66439, 96933, 199317, 343969, 937019, 1031907, 2811057, 27173551, 81520653]

約数ペア:

[(1, 81520653), (3, 27173551), (29, 2811057), (79, 1031907), (87, 937019), (237, 343969), (409, 199317), (841, 96933), (1227, 66439), (2291, 35583), (2523, 32311), (6873, 11861)]