31520097

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2417}}^1$

素因数の和:2459

約数の個数: 40

約数和(自身を含む): 56174976

約数和(自身を除く): 24654879

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 2417, 4347, 7251, 13041, 16919, 21753, 50757, 55591, 65259, 152271, 166773, 195777, 389137, 456813, 500319, 1167411, 1370439, 1500957, 3502233, 4502871, 10506699, 31520097]

約数ペア:

[(1, 31520097), (3, 10506699), (7, 4502871), (9, 3502233), (21, 1500957), (23, 1370439), (27, 1167411), (63, 500319), (69, 456813), (81, 389137), (161, 195777), (189, 166773), (207, 152271), (483, 65259), (567, 55591), (621, 50757), (1449, 21753), (1863, 16919), (2417, 13041), (4347, 7251)]