28745091

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 44759040

約数和(自身を除く): 16013949

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 549, 563, 837, 1647, 1689, 1891, 5067, 5673, 15201, 17019, 17453, 34343, 51057, 52359, 103029, 157077, 309087, 471231, 927261, 1064633, 3193899, 9581697, 28745091]

約数ペア:

[(1, 28745091), (3, 9581697), (9, 3193899), (27, 1064633), (31, 927261), (61, 471231), (93, 309087), (183, 157077), (279, 103029), (549, 52359), (563, 51057), (837, 34343), (1647, 17453), (1689, 17019), (1891, 15201), (5067, 5673)]