1720251

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 32

約数和(自身を含む): 2856000

約数和(自身を除く): 1135749

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 169, 261, 351, 377, 507, 783, 1131, 1521, 2197, 3393, 4563, 4901, 6591, 10179, 14703, 19773, 44109, 59319, 63713, 132327, 191139, 573417, 1720251]

約数ペア:

[(1, 1720251), (3, 573417), (9, 191139), (13, 132327), (27, 63713), (29, 59319), (39, 44109), (87, 19773), (117, 14703), (169, 10179), (261, 6591), (351, 4901), (377, 4563), (507, 3393), (783, 2197), (1131, 1521)]