1945881

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 3267264

約数和(自身を除く): 1321383

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 461, 469, 603, 1383, 1407, 3227, 4149, 4221, 9681, 29043, 30887, 92661, 216209, 277983, 648627, 1945881]

約数ペア:

[(1, 1945881), (3, 648627), (7, 277983), (9, 216209), (21, 92661), (63, 30887), (67, 29043), (201, 9681), (461, 4221), (469, 4149), (603, 3227), (1383, 1407)]