7130991

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 11404800

約数和(自身を除く): 4273809

約数列:

[1, 3, 7, 21, 43, 53, 129, 149, 159, 301, 371, 447, 903, 1043, 1113, 2279, 3129, 6407, 6837, 7897, 15953, 19221, 23691, 44849, 47859, 55279, 134547, 165837, 339571, 1018713, 2376997, 7130991]

約数ペア:

[(1, 7130991), (3, 2376997), (7, 1018713), (21, 339571), (43, 165837), (53, 134547), (129, 55279), (149, 47859), (159, 44849), (301, 23691), (371, 19221), (447, 15953), (903, 7897), (1043, 6837), (1113, 6407), (2279, 3129)]