78563871

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 121176000

約数和(自身を除く): 42612129

約数列:

[1, 3, 9, 27, 29, 87, 261, 269, 373, 783, 807, 1119, 2421, 3357, 7263, 7801, 10071, 10817, 23403, 32451, 70209, 97353, 100337, 210627, 292059, 301011, 903033, 2709099, 2909773, 8729319, 26187957, 78563871]

約数ペア:

[(1, 78563871), (3, 26187957), (9, 8729319), (27, 2909773), (29, 2709099), (87, 903033), (261, 301011), (269, 292059), (373, 210627), (783, 100337), (807, 97353), (1119, 70209), (2421, 32451), (3357, 23403), (7263, 10817), (7801, 10071)]