57855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 32

約数和(自身を含む): 115200

約数和(自身を除く): 57345

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 57, 87, 95, 105, 133, 145, 203, 285, 399, 435, 551, 609, 665, 1015, 1653, 1995, 2755, 3045, 3857, 8265, 11571, 19285, 57855]

約数ペア:

[(1, 57855), (3, 19285), (5, 11571), (7, 8265), (15, 3857), (19, 3045), (21, 2755), (29, 1995), (35, 1653), (57, 1015), (87, 665), (95, 609), (105, 551), (133, 435), (145, 399), (203, 285)]