72720675

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7883}}^1$

素因数の和:7940

約数の個数: 36

約数和(自身を含む): 133444584

約数和(自身を除く): 60723909

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 7883, 9225, 23649, 39415, 70947, 118245, 197075, 323203, 354735, 591225, 969609, 1616015, 1773675, 2908827, 4848045, 8080075, 14544135, 24240225, 72720675]

約数ペア:

[(1, 72720675), (3, 24240225), (5, 14544135), (9, 8080075), (15, 4848045), (25, 2908827), (41, 1773675), (45, 1616015), (75, 969609), (123, 591225), (205, 354735), (225, 323203), (369, 197075), (615, 118245), (1025, 70947), (1845, 39415), (3075, 23649), (7883, 9225)]