31778253

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 52671060

約数和(自身を除く): 20892807

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 1229, 1521, 1989, 2873, 3687, 8619, 11061, 15977, 20893, 25857, 47931, 62679, 143793, 188037, 207701, 271609, 623103, 814827, 1869309, 2444481, 3530917, 10592751, 31778253]

約数ペア:

[(1, 31778253), (3, 10592751), (9, 3530917), (13, 2444481), (17, 1869309), (39, 814827), (51, 623103), (117, 271609), (153, 207701), (169, 188037), (221, 143793), (507, 62679), (663, 47931), (1229, 25857), (1521, 20893), (1989, 15977), (2873, 11061), (3687, 8619)]