87970779

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4397}}^1$

素因数の和:4441

約数の個数: 40

約数和(自身を含む): 149004240

約数和(自身を除く): 61033461

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 4397, 6669, 13191, 20007, 39573, 57161, 83543, 118719, 171483, 250629, 356157, 514449, 751887, 1086059, 1543347, 2255661, 3258177, 4630041, 6766983, 9774531, 29323593, 87970779]

約数ペア:

[(1, 87970779), (3, 29323593), (9, 9774531), (13, 6766983), (19, 4630041), (27, 3258177), (39, 2255661), (57, 1543347), (81, 1086059), (117, 751887), (171, 514449), (247, 356157), (351, 250629), (513, 171483), (741, 118719), (1053, 83543), (1539, 57161), (2223, 39573), (4397, 20007), (6669, 13191)]