256439478519

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1322869}}^1$

素因数の和:1323080

約数の個数: 48

約数和(自身を含む): 450707100480

約数和(自身を除く): 194267621961

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 181, 357, 543, 1071, 1267, 1629, 3077, 3801, 9231, 11403, 21539, 27693, 64617, 193851, 1322869, 3968607, 9260083, 11905821, 22488773, 27780249, 67466319, 83340747, 157421411, 202398957, 239439289, 472264233, 718317867, 1416792699, 1676075023, 2154953601, 4070467913, 5028225069, 12211403739, 15084675207, 28493275391, 36634211217, 85479826173, 256439478519]

約数ペア:

[(1, 256439478519), (3, 85479826173), (7, 36634211217), (9, 28493275391), (17, 15084675207), (21, 12211403739), (51, 5028225069), (63, 4070467913), (119, 2154953601), (153, 1676075023), (181, 1416792699), (357, 718317867), (543, 472264233), (1071, 239439289), (1267, 202398957), (1629, 157421411), (3077, 83340747), (3801, 67466319), (9231, 27780249), (11403, 22488773), (21539, 11905821), (27693, 9260083), (64617, 3968607), (193851, 1322869)]