31370409

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 54494528

約数和(自身を除く): 23124119

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 907, 1281, 1647, 2721, 3843, 4941, 6349, 8163, 11529, 19047, 24489, 34587, 55327, 57141, 73467, 165981, 171423, 387289, 497943, 514269, 1161867, 1493829, 3485601, 4481487, 10456803, 31370409]

約数ペア:

[(1, 31370409), (3, 10456803), (7, 4481487), (9, 3485601), (21, 1493829), (27, 1161867), (61, 514269), (63, 497943), (81, 387289), (183, 171423), (189, 165981), (427, 73467), (549, 57141), (567, 55327), (907, 34587), (1281, 24489), (1647, 19047), (2721, 11529), (3843, 8163), (4941, 6349)]