209738865021

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{952921}}^1$

素因数の和:953201

約数の個数: 32

約数和(自身を含む): 327866155008

約数和(自身を除く): 118127289987

約数列:

[1, 3, 7, 21, 47, 141, 223, 329, 669, 987, 1561, 4683, 10481, 31443, 73367, 220101, 952921, 2858763, 6670447, 20011341, 44787287, 134361861, 212501383, 313511009, 637504149, 940533027, 1487509681, 4462529043, 9987565001, 29962695003, 69912955007, 209738865021]

約数ペア:

[(1, 209738865021), (3, 69912955007), (7, 29962695003), (21, 9987565001), (47, 4462529043), (141, 1487509681), (223, 940533027), (329, 637504149), (669, 313511009), (987, 212501383), (1561, 134361861), (4683, 44787287), (10481, 20011341), (31443, 6670447), (73367, 2858763), (220101, 952921)]