20131147281

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{433}}^1\times {\mathrm{5413}}^1$

素因数の和:6265

約数の個数: 32

約数和(自身を含む): 30827749120

約数和(自身を除く): 10696601839

約数列:

[1, 3, 7, 21, 409, 433, 1227, 1299, 2863, 3031, 5413, 8589, 9093, 16239, 37891, 113673, 177097, 531291, 1239679, 2213917, 2343829, 3719037, 6641751, 7031487, 15497419, 16406803, 46492257, 49220409, 958626061, 2875878183, 6710382427, 20131147281]

約数ペア:

[(1, 20131147281), (3, 6710382427), (7, 2875878183), (21, 958626061), (409, 49220409), (433, 46492257), (1227, 16406803), (1299, 15497419), (2863, 7031487), (3031, 6641751), (5413, 3719037), (8589, 2343829), (9093, 2213917), (16239, 1239679), (37891, 531291), (113673, 177097)]