28613835

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 22963509

約数列:

[1, 3, 5, 9, 15, 45, 47, 83, 141, 163, 235, 249, 415, 423, 489, 705, 747, 815, 1245, 1467, 2115, 2445, 3735, 3901, 7335, 7661, 11703, 13529, 19505, 22983, 35109, 38305, 40587, 58515, 67645, 68949, 114915, 121761, 175545, 202935, 344745, 608805, 635863, 1907589, 3179315, 5722767, 9537945, 28613835]

約数ペア:

[(1, 28613835), (3, 9537945), (5, 5722767), (9, 3179315), (15, 1907589), (45, 635863), (47, 608805), (83, 344745), (141, 202935), (163, 175545), (235, 121761), (249, 114915), (415, 68949), (423, 67645), (489, 58515), (705, 40587), (747, 38305), (815, 35109), (1245, 22983), (1467, 19505), (2115, 13529), (2445, 11703), (3735, 7661), (3901, 7335)]