40961781

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:397

約数の個数: 56

約数和(自身を含む): 73449600

約数和(自身を除く): 32487819

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 349, 483, 567, 621, 729, 1047, 1449, 1701, 1863, 2443, 3141, 4347, 5103, 5589, 7329, 8027, 9423, 13041, 16767, 21987, 24081, 28269, 39123, 56189, 65961, 72243, 84807, 117369, 168567, 197883, 216729, 254421, 505701, 593649, 650187, 1517103, 1780947, 1950561, 4551309, 5851683, 13653927, 40961781]

約数ペア:

[(1, 40961781), (3, 13653927), (7, 5851683), (9, 4551309), (21, 1950561), (23, 1780947), (27, 1517103), (63, 650187), (69, 593649), (81, 505701), (161, 254421), (189, 216729), (207, 197883), (243, 168567), (349, 117369), (483, 84807), (567, 72243), (621, 65961), (729, 56189), (1047, 39123), (1449, 28269), (1701, 24081), (1863, 21987), (2443, 16767), (3141, 13041), (4347, 9423), (5103, 8027), (5589, 7329)]