251738145

素因数分解:

$3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{5081}}^1$

素因数の和:5462

約数の個数: 32

約数和(自身を含む): 448842240

約数和(自身を除く): 197104095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 367, 1101, 1835, 3303, 5081, 5505, 9909, 15243, 16515, 25405, 45729, 49545, 76215, 137187, 228645, 685935, 1864727, 5594181, 9323635, 16782543, 27970905, 50347629, 83912715, 251738145]

約数ペア:

[(1, 251738145), (3, 83912715), (5, 50347629), (9, 27970905), (15, 16782543), (27, 9323635), (45, 5594181), (135, 1864727), (367, 685935), (1101, 228645), (1835, 137187), (3303, 76215), (5081, 49545), (5505, 45729), (9909, 25405), (15243, 16515)]