12355515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 23452416

約数和(自身を除く): 11096901

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 521, 527, 765, 1395, 1563, 1581, 2605, 2635, 4689, 4743, 7815, 7905, 8857, 16151, 23445, 23715, 26571, 44285, 48453, 79713, 80755, 132855, 145359, 242265, 274567, 398565, 726795, 823701, 1372835, 2471103, 4118505, 12355515]

約数ペア:

[(1, 12355515), (3, 4118505), (5, 2471103), (9, 1372835), (15, 823701), (17, 726795), (31, 398565), (45, 274567), (51, 242265), (85, 145359), (93, 132855), (153, 80755), (155, 79713), (255, 48453), (279, 44285), (465, 26571), (521, 23715), (527, 23445), (765, 16151), (1395, 8857), (1563, 7905), (1581, 7815), (2605, 4743), (2635, 4689)]