235320981

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 390451200

約数和(自身を除く): 155130219

約数列:

[1, 3, 7, 21, 23, 49, 61, 69, 147, 161, 163, 183, 343, 427, 483, 489, 1029, 1127, 1141, 1281, 1403, 2989, 3381, 3423, 3749, 4209, 7889, 7987, 8967, 9821, 9943, 11247, 20923, 23667, 23961, 26243, 29463, 29829, 55909, 62769, 68747, 69601, 78729, 167727, 183701, 206241, 208803, 228689, 481229, 487207, 551103, 686067, 1285907, 1443687, 1461621, 1600823, 3410449, 3857721, 4802469, 10231347, 11205761, 33617283, 78440327, 235320981]

約数ペア:

[(1, 235320981), (3, 78440327), (7, 33617283), (21, 11205761), (23, 10231347), (49, 4802469), (61, 3857721), (69, 3410449), (147, 1600823), (161, 1461621), (163, 1443687), (183, 1285907), (343, 686067), (427, 551103), (483, 487207), (489, 481229), (1029, 228689), (1127, 208803), (1141, 206241), (1281, 183701), (1403, 167727), (2989, 78729), (3381, 69601), (3423, 68747), (3749, 62769), (4209, 55909), (7889, 29829), (7987, 29463), (8967, 26243), (9821, 23961), (9943, 23667), (11247, 20923)]