31541349

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 53844480

約数和(自身を除く): 22303131

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 491, 931, 1127, 1311, 1473, 2793, 3059, 3381, 3437, 9177, 9329, 10311, 11293, 21413, 24059, 27987, 33879, 64239, 65303, 72177, 79051, 195909, 214567, 237153, 457121, 553357, 643701, 1371363, 1501969, 1660071, 4505907, 10513783, 31541349]

約数ペア:

[(1, 31541349), (3, 10513783), (7, 4505907), (19, 1660071), (21, 1501969), (23, 1371363), (49, 643701), (57, 553357), (69, 457121), (133, 237153), (147, 214567), (161, 195909), (399, 79051), (437, 72177), (483, 65303), (491, 64239), (931, 33879), (1127, 27987), (1311, 24059), (1473, 21413), (2793, 11293), (3059, 10311), (3381, 9329), (3437, 9177)]