12012345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 21964800

約数和(自身を除く): 9952455

約数列:

[1, 3, 5, 9, 15, 31, 45, 79, 93, 109, 155, 237, 279, 327, 395, 465, 545, 711, 981, 1185, 1395, 1635, 2449, 3379, 3555, 4905, 7347, 8611, 10137, 12245, 16895, 22041, 25833, 30411, 36735, 43055, 50685, 77499, 110205, 129165, 152055, 266941, 387495, 800823, 1334705, 2402469, 4004115, 12012345]

約数ペア:

[(1, 12012345), (3, 4004115), (5, 2402469), (9, 1334705), (15, 800823), (31, 387495), (45, 266941), (79, 152055), (93, 129165), (109, 110205), (155, 77499), (237, 50685), (279, 43055), (327, 36735), (395, 30411), (465, 25833), (545, 22041), (711, 16895), (981, 12245), (1185, 10137), (1395, 8611), (1635, 7347), (2449, 4905), (3379, 3555)]