28042575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 53270400

約数和(自身を除く): 25227825

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 1789, 3135, 5225, 5367, 8945, 15675, 19679, 26835, 33991, 44725, 59037, 98395, 101973, 134175, 169955, 295185, 373901, 491975, 509865, 849775, 1121703, 1475925, 1869505, 2549325, 5608515, 9347525, 28042575]

約数ペア:

[(1, 28042575), (3, 9347525), (5, 5608515), (11, 2549325), (15, 1869505), (19, 1475925), (25, 1121703), (33, 849775), (55, 509865), (57, 491975), (75, 373901), (95, 295185), (165, 169955), (209, 134175), (275, 101973), (285, 98395), (475, 59037), (627, 44725), (825, 33991), (1045, 26835), (1425, 19679), (1789, 15675), (3135, 8945), (5225, 5367)]