81611631

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{2791}}^1$

素因数の和:2841

約数の個数: 30

約数和(自身を含む): 128713992

約数和(自身を除く): 47102361

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 1083, 1539, 2791, 3249, 8373, 9747, 25119, 29241, 53029, 75357, 159087, 226071, 477261, 1007551, 1431783, 3022653, 4295349, 9067959, 27203877, 81611631]

約数ペア:

[(1, 81611631), (3, 27203877), (9, 9067959), (19, 4295349), (27, 3022653), (57, 1431783), (81, 1007551), (171, 477261), (361, 226071), (513, 159087), (1083, 75357), (1539, 53029), (2791, 29241), (3249, 25119), (8373, 9747)]