1909292007

素因数分解:

$3^1\times 7^5\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 3127868160

約数和(自身を除く): 1218576153

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1993, 2401, 2793, 5979, 6517, 7203, 13951, 16807, 19551, 37867, 41853, 45619, 50421, 97657, 113601, 136857, 265069, 292971, 319333, 683599, 795207, 957999, 1855483, 2050797, 4785193, 5566449, 12988381, 14355579, 33496351, 38965143, 90918667, 100489053, 272756001, 636430669, 1909292007]

約数ペア:

[(1, 1909292007), (3, 636430669), (7, 272756001), (19, 100489053), (21, 90918667), (49, 38965143), (57, 33496351), (133, 14355579), (147, 12988381), (343, 5566449), (399, 4785193), (931, 2050797), (1029, 1855483), (1993, 957999), (2401, 795207), (2793, 683599), (5979, 319333), (6517, 292971), (7203, 265069), (13951, 136857), (16807, 113601), (19551, 97657), (37867, 50421), (41853, 45619)]