855173895

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 1463616000

約数和(自身を除く): 608442105

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 131, 145, 215, 349, 393, 435, 645, 655, 1047, 1247, 1745, 1965, 3741, 3799, 5235, 5633, 6235, 10121, 11397, 15007, 16899, 18705, 18995, 28165, 30363, 45021, 45719, 50605, 56985, 75035, 84495, 137157, 151815, 163357, 225105, 228595, 435203, 490071, 685785, 816785, 1305609, 1325851, 1965917, 2176015, 2450355, 3977553, 5897751, 6528045, 6629255, 9829585, 19887765, 29488755, 57011593, 171034779, 285057965, 855173895]

約数ペア:

[(1, 855173895), (3, 285057965), (5, 171034779), (15, 57011593), (29, 29488755), (43, 19887765), (87, 9829585), (129, 6629255), (131, 6528045), (145, 5897751), (215, 3977553), (349, 2450355), (393, 2176015), (435, 1965917), (645, 1325851), (655, 1305609), (1047, 816785), (1247, 685785), (1745, 490071), (1965, 435203), (3741, 228595), (3799, 225105), (5235, 163357), (5633, 151815), (6235, 137157), (10121, 84495), (11397, 75035), (15007, 56985), (16899, 50605), (18705, 45719), (18995, 45021), (28165, 30363)]