30728475

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3388

約数の個数: 36

約数和(自身を含む): 56397432

約数和(自身を除く): 25668957

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 3331, 9225, 9993, 16655, 29979, 49965, 83275, 136571, 149895, 249825, 409713, 682855, 749475, 1229139, 2048565, 3414275, 6145695, 10242825, 30728475]

約数ペア:

[(1, 30728475), (3, 10242825), (5, 6145695), (9, 3414275), (15, 2048565), (25, 1229139), (41, 749475), (45, 682855), (75, 409713), (123, 249825), (205, 149895), (225, 136571), (369, 83275), (615, 49965), (1025, 29979), (1845, 16655), (3075, 9993), (3331, 9225)]