291033897

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 526362624

約数和(自身を除く): 235328727

約数列:

[1, 3, 7, 11, 17, 21, 33, 37, 51, 77, 111, 119, 187, 231, 259, 357, 407, 561, 629, 777, 1221, 1309, 1887, 2003, 2849, 3927, 4403, 6009, 6919, 8547, 13209, 14021, 20757, 22033, 34051, 42063, 48433, 66099, 74111, 102153, 145299, 154231, 222333, 238357, 374561, 462693, 518777, 715071, 815221, 1123683, 1259887, 1556331, 2445663, 2621927, 3779661, 5706547, 7865781, 8819209, 13858757, 17119641, 26457627, 41576271, 97011299, 291033897]

約数ペア:

[(1, 291033897), (3, 97011299), (7, 41576271), (11, 26457627), (17, 17119641), (21, 13858757), (33, 8819209), (37, 7865781), (51, 5706547), (77, 3779661), (111, 2621927), (119, 2445663), (187, 1556331), (231, 1259887), (259, 1123683), (357, 815221), (407, 715071), (561, 518777), (629, 462693), (777, 374561), (1221, 238357), (1309, 222333), (1887, 154231), (2003, 145299), (2849, 102153), (3927, 74111), (4403, 66099), (6009, 48433), (6919, 42063), (8547, 34051), (13209, 22033), (14021, 20757)]