222750015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{26951}}^1$

素因数の和:27007

約数の個数: 32

約数和(自身を含む): 388108800

約数和(自身を除く): 165358785

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 26951, 80853, 134755, 404265, 512069, 781579, 1536207, 2344737, 2560345, 3907895, 7681035, 11723685, 14850001, 44550003, 74250005, 222750015]

約数ペア:

[(1, 222750015), (3, 74250005), (5, 44550003), (15, 14850001), (19, 11723685), (29, 7681035), (57, 3907895), (87, 2560345), (95, 2344737), (145, 1536207), (285, 781579), (435, 512069), (551, 404265), (1653, 134755), (2755, 80853), (8265, 26951)]