259291011

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{751}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 406296576

約数和(自身を除く): 147005565

約数列:

[1, 3, 7, 21, 41, 123, 287, 401, 751, 861, 1203, 2253, 2807, 5257, 8421, 15771, 16441, 30791, 49323, 92373, 115087, 215537, 301151, 345261, 646611, 903453, 2108057, 6324171, 12347191, 37041573, 86430337, 259291011]

約数ペア:

[(1, 259291011), (3, 86430337), (7, 37041573), (21, 12347191), (41, 6324171), (123, 2108057), (287, 903453), (401, 646611), (751, 345261), (861, 301151), (1203, 215537), (2253, 115087), (2807, 92373), (5257, 49323), (8421, 30791), (15771, 16441)]