280967535

素因数分解:

$3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4057}}^1$

素因数の和:4099

約数の個数: 56

約数和(自身を含む): 532247280

約数和(自身を除く): 251279745

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 729, 855, 1215, 1539, 2565, 3645, 4057, 4617, 7695, 12171, 13851, 20285, 23085, 36513, 60855, 69255, 77083, 109539, 182565, 231249, 328617, 385415, 547695, 693747, 985851, 1156245, 1643085, 2081241, 2957553, 3468735, 4929255, 6243723, 10406205, 14787765, 18731169, 31218615, 56193507, 93655845, 280967535]

約数ペア:

[(1, 280967535), (3, 93655845), (5, 56193507), (9, 31218615), (15, 18731169), (19, 14787765), (27, 10406205), (45, 6243723), (57, 4929255), (81, 3468735), (95, 2957553), (135, 2081241), (171, 1643085), (243, 1156245), (285, 985851), (405, 693747), (513, 547695), (729, 385415), (855, 328617), (1215, 231249), (1539, 182565), (2565, 109539), (3645, 77083), (4057, 69255), (4617, 60855), (7695, 36513), (12171, 23085), (13851, 20285)]