51648615

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7703}}^1$

素因数の和:7863

約数の個数: 24

約数和(自身を含む): 90136800

約数和(自身を除く): 38488185

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 7703, 23109, 38515, 69327, 115545, 346635, 1147747, 3443241, 5738735, 10329723, 17216205, 51648615]

約数ペア:

[(1, 51648615), (3, 17216205), (5, 10329723), (9, 5738735), (15, 3443241), (45, 1147747), (149, 346635), (447, 115545), (745, 69327), (1341, 38515), (2235, 23109), (6705, 7703)]