31770081

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1262

約数の個数: 36

約数和(自身を含む): 54303444

約数和(自身を除く): 22533363

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1181, 1281, 2989, 3543, 3843, 8267, 8967, 10629, 24801, 26901, 57869, 72041, 74403, 173607, 216123, 504287, 520821, 648369, 1512861, 3530009, 4538583, 10590027, 31770081]

約数ペア:

[(1, 31770081), (3, 10590027), (7, 4538583), (9, 3530009), (21, 1512861), (49, 648369), (61, 520821), (63, 504287), (147, 216123), (183, 173607), (427, 74403), (441, 72041), (549, 57869), (1181, 26901), (1281, 24801), (2989, 10629), (3543, 8967), (3843, 8267)]