51531501

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 81100800

約数和(自身を除く): 29569299

約数列:

[1, 3, 7, 21, 43, 129, 149, 301, 383, 447, 903, 1043, 1149, 2681, 3129, 6407, 8043, 16469, 19221, 44849, 49407, 57067, 115283, 134547, 171201, 345849, 399469, 1198407, 2453881, 7361643, 17177167, 51531501]

約数ペア:

[(1, 51531501), (3, 17177167), (7, 7361643), (21, 2453881), (43, 1198407), (129, 399469), (149, 345849), (301, 171201), (383, 134547), (447, 115283), (903, 57067), (1043, 49407), (1149, 44849), (2681, 19221), (3129, 16469), (6407, 8043)]