31066539

素因数分解:

$3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 51090240

約数和(自身を除く): 20023701

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 227, 343, 399, 681, 931, 1029, 1589, 2401, 2793, 4313, 4767, 6517, 7203, 11123, 12939, 19551, 30191, 33369, 45619, 77861, 90573, 136857, 211337, 233583, 545027, 634011, 1479359, 1635081, 4438077, 10355513, 31066539]

約数ペア:

[(1, 31066539), (3, 10355513), (7, 4438077), (19, 1635081), (21, 1479359), (49, 634011), (57, 545027), (133, 233583), (147, 211337), (227, 136857), (343, 90573), (399, 77861), (681, 45619), (931, 33369), (1029, 30191), (1589, 19551), (2401, 12939), (2793, 11123), (4313, 7203), (4767, 6517)]