28347753

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3089}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 47462400

約数和(自身を除く): 19114647

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 3089, 9177, 9267, 21623, 58691, 64869, 71047, 176073, 213141, 410837, 497329, 1232511, 1349893, 1491987, 4049679, 9449251, 28347753]

約数ペア:

[(1, 28347753), (3, 9449251), (7, 4049679), (19, 1491987), (21, 1349893), (23, 1232511), (57, 497329), (69, 410837), (133, 213141), (161, 176073), (399, 71047), (437, 64869), (483, 58691), (1311, 21623), (3059, 9267), (3089, 9177)]