287515011

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2659}}^1$

素因数の和:2959

約数の個数: 32

約数和(自身を含む): 463052800

約数和(自身を除く): 175537789

約数列:

[1, 3, 7, 19, 21, 57, 133, 271, 399, 813, 1897, 2659, 5149, 5691, 7977, 15447, 18613, 36043, 50521, 55839, 108129, 151563, 353647, 720589, 1060941, 2161767, 5044123, 13691191, 15132369, 41073573, 95838337, 287515011]

約数ペア:

[(1, 287515011), (3, 95838337), (7, 41073573), (19, 15132369), (21, 13691191), (57, 5044123), (133, 2161767), (271, 1060941), (399, 720589), (813, 353647), (1897, 151563), (2659, 108129), (5149, 55839), (5691, 50521), (7977, 36043), (15447, 18613)]