51249105

素因数分解:

$3^4\times 5^1\times {\mathrm{126541}}^1$

素因数の和:126558

約数の個数: 20

約数和(自身を含む): 91869492

約数和(自身を除く): 40620387

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 126541, 379623, 632705, 1138869, 1898115, 3416607, 5694345, 10249821, 17083035, 51249105]

約数ペア:

[(1, 51249105), (3, 17083035), (5, 10249821), (9, 5694345), (15, 3416607), (27, 1898115), (45, 1138869), (81, 632705), (135, 379623), (405, 126541)]