28097973

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 14583627

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 911, 1341, 2733, 3427, 8199, 10281, 20953, 30843, 62859, 135739, 188577, 407217, 1221651, 3121997, 9365991, 28097973]

約数ペア:

[(1, 28097973), (3, 9365991), (9, 3121997), (23, 1221651), (69, 407217), (149, 188577), (207, 135739), (447, 62859), (911, 30843), (1341, 20953), (2733, 10281), (3427, 8199)]