1215694065

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 2082263040

約数和(自身を除く): 866568975

約数列:

[1, 3, 5, 15, 29, 43, 87, 103, 129, 145, 215, 309, 435, 515, 631, 645, 1247, 1545, 1893, 2987, 3155, 3741, 4429, 6235, 8961, 9465, 13287, 14935, 18299, 18705, 22145, 27133, 44805, 54897, 64993, 66435, 81399, 91495, 128441, 135665, 194979, 274485, 324965, 385323, 406995, 642205, 786857, 974895, 1884797, 1926615, 2360571, 2794699, 3934285, 5654391, 8384097, 9423985, 11802855, 13973495, 28271955, 41920485, 81046271, 243138813, 405231355, 1215694065]

約数ペア:

[(1, 1215694065), (3, 405231355), (5, 243138813), (15, 81046271), (29, 41920485), (43, 28271955), (87, 13973495), (103, 11802855), (129, 9423985), (145, 8384097), (215, 5654391), (309, 3934285), (435, 2794699), (515, 2360571), (631, 1926615), (645, 1884797), (1247, 974895), (1545, 786857), (1893, 642205), (2987, 406995), (3155, 385323), (3741, 324965), (4429, 274485), (6235, 194979), (8961, 135665), (9465, 128441), (13287, 91495), (14935, 81399), (18299, 66435), (18705, 64993), (22145, 54897), (27133, 44805)]