145215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 288288

約数和(自身を除く): 143073

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 461, 1383, 2305, 3227, 4149, 6915, 9681, 16135, 20745, 29043, 48405, 145215]

約数ペア:

[(1, 145215), (3, 48405), (5, 29043), (7, 20745), (9, 16135), (15, 9681), (21, 6915), (35, 4149), (45, 3227), (63, 2305), (105, 1383), (315, 461)]