71660799

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 125748480

約数和(自身を除く): 54087681

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 131, 133, 171, 393, 399, 457, 917, 1179, 1197, 1371, 2489, 2751, 3199, 4113, 7467, 8253, 8683, 9597, 17423, 22401, 26049, 28791, 52269, 59867, 60781, 78147, 156807, 179601, 182343, 419069, 538803, 547029, 1137473, 1257207, 3412419, 3771621, 7962311, 10237257, 23886933, 71660799]

約数ペア:

[(1, 71660799), (3, 23886933), (7, 10237257), (9, 7962311), (19, 3771621), (21, 3412419), (57, 1257207), (63, 1137473), (131, 547029), (133, 538803), (171, 419069), (393, 182343), (399, 179601), (457, 156807), (917, 78147), (1179, 60781), (1197, 59867), (1371, 52269), (2489, 28791), (2751, 26049), (3199, 22401), (4113, 17423), (7467, 9597), (8253, 8683)]