31439583

素因数分解:

$3^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 56

約数和(自身を含む): 55297056

約数和(自身を除く): 23857473

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 101, 183, 189, 243, 303, 427, 549, 567, 707, 729, 909, 1281, 1647, 1701, 2121, 2727, 3843, 4941, 5103, 6161, 6363, 8181, 11529, 14823, 18483, 19089, 24543, 34587, 43127, 44469, 55449, 57267, 73629, 103761, 129381, 166347, 171801, 311283, 388143, 499041, 515403, 1164429, 1497123, 3493287, 4491369, 10479861, 31439583]

約数ペア:

[(1, 31439583), (3, 10479861), (7, 4491369), (9, 3493287), (21, 1497123), (27, 1164429), (61, 515403), (63, 499041), (81, 388143), (101, 311283), (183, 171801), (189, 166347), (243, 129381), (303, 103761), (427, 73629), (549, 57267), (567, 55449), (707, 44469), (729, 43127), (909, 34587), (1281, 24543), (1647, 19089), (1701, 18483), (2121, 14823), (2727, 11529), (3843, 8181), (4941, 6363), (5103, 6161)]