31990959

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 64157184

約数和(自身を除く): 32166225

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 53, 63, 67, 77, 91, 99, 117, 143, 159, 201, 231, 273, 371, 429, 469, 477, 583, 603, 689, 693, 737, 819, 871, 1001, 1113, 1287, 1407, 1749, 2067, 2211, 2613, 3003, 3339, 3551, 4081, 4221, 4823, 5159, 5247, 6097, 6201, 6633, 7579, 7839, 9009, 9581, 10653, 12243, 14469, 15477, 18291, 22737, 24857, 28743, 31959, 36729, 39061, 43407, 46163, 46431, 53053, 54873, 67067, 68211, 74571, 86229, 117183, 138489, 159159, 201201, 223713, 273427, 323141, 351549, 415467, 477477, 507793, 603603, 820281, 969423, 1523379, 2460843, 2908269, 3554551, 4570137, 10663653, 31990959]

約数ペア:

[(1, 31990959), (3, 10663653), (7, 4570137), (9, 3554551), (11, 2908269), (13, 2460843), (21, 1523379), (33, 969423), (39, 820281), (53, 603603), (63, 507793), (67, 477477), (77, 415467), (91, 351549), (99, 323141), (117, 273427), (143, 223713), (159, 201201), (201, 159159), (231, 138489), (273, 117183), (371, 86229), (429, 74571), (469, 68211), (477, 67067), (583, 54873), (603, 53053), (689, 46431), (693, 46163), (737, 43407), (819, 39061), (871, 36729), (1001, 31959), (1113, 28743), (1287, 24857), (1407, 22737), (1749, 18291), (2067, 15477), (2211, 14469), (2613, 12243), (3003, 10653), (3339, 9581), (3551, 9009), (4081, 7839), (4221, 7579), (4823, 6633), (5159, 6201), (5247, 6097)]