28476783

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2927}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 43849728

約数和(自身を除く): 15372945

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2927, 3243, 8781, 9729, 26343, 67321, 137569, 201963, 412707, 605889, 1238121, 3164087, 9492261, 28476783]

約数ペア:

[(1, 28476783), (3, 9492261), (9, 3164087), (23, 1238121), (47, 605889), (69, 412707), (141, 201963), (207, 137569), (423, 67321), (1081, 26343), (2927, 9729), (3243, 8781)]