217603995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 432884736

約数和(自身を除く): 215280741

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 71, 85, 101, 105, 119, 213, 255, 289, 303, 355, 357, 497, 505, 595, 707, 867, 1065, 1207, 1445, 1491, 1515, 1717, 1785, 2023, 2121, 2485, 3535, 3621, 4335, 5151, 6035, 6069, 7171, 7455, 8449, 8585, 10115, 10605, 12019, 18105, 20519, 21513, 25347, 25755, 29189, 30345, 35855, 36057, 42245, 50197, 60095, 61557, 87567, 102595, 107565, 121907, 126735, 143633, 145945, 150591, 180285, 204323, 250985, 307785, 365721, 430899, 437835, 609535, 612969, 718165, 752955, 853349, 1021615, 1828605, 2072419, 2154495, 2560047, 3064845, 4266745, 6217257, 10362095, 12800235, 14506933, 31086285, 43520799, 72534665, 217603995]

約数ペア:

[(1, 217603995), (3, 72534665), (5, 43520799), (7, 31086285), (15, 14506933), (17, 12800235), (21, 10362095), (35, 6217257), (51, 4266745), (71, 3064845), (85, 2560047), (101, 2154495), (105, 2072419), (119, 1828605), (213, 1021615), (255, 853349), (289, 752955), (303, 718165), (355, 612969), (357, 609535), (497, 437835), (505, 430899), (595, 365721), (707, 307785), (867, 250985), (1065, 204323), (1207, 180285), (1445, 150591), (1491, 145945), (1515, 143633), (1717, 126735), (1785, 121907), (2023, 107565), (2121, 102595), (2485, 87567), (3535, 61557), (3621, 60095), (4335, 50197), (5151, 42245), (6035, 36057), (6069, 35855), (7171, 30345), (7455, 29189), (8449, 25755), (8585, 25347), (10115, 21513), (10605, 20519), (12019, 18105)]