641286

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1580

約数の個数: 24

約数和(自身を含む): 1450800

約数和(自身を除く): 809514

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1549, 3098, 4647, 9294, 13941, 27882, 35627, 71254, 106881, 213762, 320643, 641286]

約数ペア:

[(1, 641286), (2, 320643), (3, 213762), (6, 106881), (9, 71254), (18, 35627), (23, 27882), (46, 13941), (69, 9294), (138, 4647), (207, 3098), (414, 1549)]