51569865

素因数分解:

$3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 93020928

約数和(自身を除く): 41451063

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 405, 571, 669, 1115, 1713, 2007, 2855, 3345, 5139, 6021, 8565, 10035, 15417, 18063, 25695, 30105, 46251, 77085, 90315, 127333, 231255, 381999, 636665, 1145997, 1909995, 3437991, 5729985, 10313973, 17189955, 51569865]

約数ペア:

[(1, 51569865), (3, 17189955), (5, 10313973), (9, 5729985), (15, 3437991), (27, 1909995), (45, 1145997), (81, 636665), (135, 381999), (223, 231255), (405, 127333), (571, 90315), (669, 77085), (1115, 46251), (1713, 30105), (2007, 25695), (2855, 18063), (3345, 15417), (5139, 10035), (6021, 8565)]