72720315

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28351}}^1$

素因数の和:28384

約数の個数: 32

約数和(自身を含む): 136089600

約数和(自身を除く): 63369285

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 28351, 85053, 141755, 255159, 425265, 538669, 765477, 1275795, 1616007, 2693345, 3827385, 4848021, 8080035, 14544063, 24240105, 72720315]

約数ペア:

[(1, 72720315), (3, 24240105), (5, 14544063), (9, 8080035), (15, 4848021), (19, 3827385), (27, 2693345), (45, 1616007), (57, 1275795), (95, 765477), (135, 538669), (171, 425265), (285, 255159), (513, 141755), (855, 85053), (2565, 28351)]