1256221215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{15263}}^1$

素因数の和:15364

約数の個数: 48

約数和(自身を含む): 2285936640

約数和(自身を除く): 1029715425

約数列:

[1, 3, 5, 9, 15, 31, 45, 59, 93, 155, 177, 279, 295, 465, 531, 885, 1395, 1829, 2655, 5487, 9145, 15263, 16461, 27435, 45789, 76315, 82305, 137367, 228945, 473153, 686835, 900517, 1419459, 2365765, 2701551, 4258377, 4502585, 7097295, 8104653, 13507755, 21291885, 27916027, 40523265, 83748081, 139580135, 251244243, 418740405, 1256221215]

約数ペア:

[(1, 1256221215), (3, 418740405), (5, 251244243), (9, 139580135), (15, 83748081), (31, 40523265), (45, 27916027), (59, 21291885), (93, 13507755), (155, 8104653), (177, 7097295), (279, 4502585), (295, 4258377), (465, 2701551), (531, 2365765), (885, 1419459), (1395, 900517), (1829, 686835), (2655, 473153), (5487, 228945), (9145, 137367), (15263, 82305), (16461, 76315), (27435, 45789)]