208695753

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{24907}}^1$

素因数の和:24946

約数の個数: 36

約数和(自身を含む): 369136560

約数和(自身を除く): 160440807

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 24907, 74721, 174349, 224163, 473233, 523047, 1220443, 1419699, 1569141, 3312631, 3661329, 4259097, 9937893, 10983987, 23188417, 29813679, 69565251, 208695753]

約数ペア:

[(1, 208695753), (3, 69565251), (7, 29813679), (9, 23188417), (19, 10983987), (21, 9937893), (49, 4259097), (57, 3661329), (63, 3312631), (133, 1569141), (147, 1419699), (171, 1220443), (399, 523047), (441, 473233), (931, 224163), (1197, 174349), (2793, 74721), (8379, 24907)]