1305315

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 2561328

約数和(自身を除く): 1256013

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 293, 297, 405, 495, 879, 891, 1465, 1485, 2637, 3223, 4395, 4455, 7911, 9669, 13185, 16115, 23733, 29007, 39555, 48345, 87021, 118665, 145035, 261063, 435105, 1305315]

約数ペア:

[(1, 1305315), (3, 435105), (5, 261063), (9, 145035), (11, 118665), (15, 87021), (27, 48345), (33, 39555), (45, 29007), (55, 23733), (81, 16115), (99, 13185), (135, 9669), (165, 7911), (293, 4455), (297, 4395), (405, 3223), (495, 2637), (879, 1485), (891, 1465)]