1920645

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 3507840

約数和(自身を除く): 1587195

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 347, 369, 615, 1041, 1107, 1735, 1845, 3123, 5205, 5535, 9369, 14227, 15615, 42681, 46845, 71135, 128043, 213405, 384129, 640215, 1920645]

約数ペア:

[(1, 1920645), (3, 640215), (5, 384129), (9, 213405), (15, 128043), (27, 71135), (41, 46845), (45, 42681), (123, 15615), (135, 14227), (205, 9369), (347, 5535), (369, 5205), (615, 3123), (1041, 1845), (1107, 1735)]