1361955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2708640

約数和(自身を除く): 1346685

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 109, 119, 147, 245, 255, 327, 357, 545, 595, 735, 763, 833, 1635, 1785, 1853, 2289, 2499, 3815, 4165, 5341, 5559, 9265, 11445, 12495, 12971, 16023, 26705, 27795, 38913, 64855, 80115, 90797, 194565, 272391, 453985, 1361955]

約数ペア:

[(1, 1361955), (3, 453985), (5, 272391), (7, 194565), (15, 90797), (17, 80115), (21, 64855), (35, 38913), (49, 27795), (51, 26705), (85, 16023), (105, 12971), (109, 12495), (119, 11445), (147, 9265), (245, 5559), (255, 5341), (327, 4165), (357, 3815), (545, 2499), (595, 2289), (735, 1853), (763, 1785), (833, 1635)]