71954181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 114453612

約数和(自身を除く): 42499431

約数列:

[1, 3, 9, 13, 39, 67, 117, 137, 201, 411, 603, 871, 1233, 1781, 2613, 4489, 5343, 7839, 9179, 13467, 16029, 27537, 40401, 58357, 82611, 119327, 175071, 357981, 525213, 614993, 1073943, 1844979, 5534937, 7994909, 23984727, 71954181]

約数ペア:

[(1, 71954181), (3, 23984727), (9, 7994909), (13, 5534937), (39, 1844979), (67, 1073943), (117, 614993), (137, 525213), (201, 357981), (411, 175071), (603, 119327), (871, 82611), (1233, 58357), (1781, 40401), (2613, 27537), (4489, 16029), (5343, 13467), (7839, 9179)]