211979925

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{11351}}^1$

素因数の和:11450

約数の個数: 36

約数和(自身を含む): 384287904

約数和(自身を除く): 172307979

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1245, 2075, 3735, 6225, 11351, 18675, 34053, 56755, 102159, 170265, 283775, 510795, 851325, 942133, 2553975, 2826399, 4710665, 8479197, 14131995, 23553325, 42395985, 70659975, 211979925]

約数ペア:

[(1, 211979925), (3, 70659975), (5, 42395985), (9, 23553325), (15, 14131995), (25, 8479197), (45, 4710665), (75, 2826399), (83, 2553975), (225, 942133), (249, 851325), (415, 510795), (747, 283775), (1245, 170265), (2075, 102159), (3735, 56755), (6225, 34053), (11351, 18675)]