28169001

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 49645440

約数和(自身を除く): 21476439

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 101, 133, 171, 233, 303, 399, 699, 707, 909, 1197, 1631, 1919, 2097, 2121, 4427, 4893, 5757, 6363, 13281, 13433, 14679, 17271, 23533, 30989, 39843, 40299, 70599, 92967, 120897, 164731, 211797, 278901, 447127, 494193, 1341381, 1482579, 3129889, 4024143, 9389667, 28169001]

約数ペア:

[(1, 28169001), (3, 9389667), (7, 4024143), (9, 3129889), (19, 1482579), (21, 1341381), (57, 494193), (63, 447127), (101, 278901), (133, 211797), (171, 164731), (233, 120897), (303, 92967), (399, 70599), (699, 40299), (707, 39843), (909, 30989), (1197, 23533), (1631, 17271), (1919, 14679), (2097, 13433), (2121, 13281), (4427, 6363), (4893, 5757)]