217422315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1327}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 412678656

約数和(自身を除く): 195256341

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 331, 495, 993, 1327, 1655, 2979, 3641, 3981, 4965, 6635, 10923, 11943, 14597, 14895, 18205, 19905, 32769, 43791, 54615, 59715, 72985, 131373, 163845, 218955, 439237, 656865, 1317711, 2196185, 3953133, 4831607, 6588555, 14494821, 19765665, 24158035, 43484463, 72474105, 217422315]

約数ペア:

[(1, 217422315), (3, 72474105), (5, 43484463), (9, 24158035), (11, 19765665), (15, 14494821), (33, 6588555), (45, 4831607), (55, 3953133), (99, 2196185), (165, 1317711), (331, 656865), (495, 439237), (993, 218955), (1327, 163845), (1655, 131373), (2979, 72985), (3641, 59715), (3981, 54615), (4965, 43791), (6635, 32769), (10923, 19905), (11943, 18205), (14597, 14895)]