78872871

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{613}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 131563008

約数和(自身を除く): 52690137

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557, 613, 1671, 1839, 3899, 4291, 6127, 6743, 11697, 12873, 18381, 20229, 42889, 47201, 128667, 141603, 341441, 1024323, 2390087, 3755851, 7170261, 11267553, 26290957, 78872871]

約数ペア:

[(1, 78872871), (3, 26290957), (7, 11267553), (11, 7170261), (21, 3755851), (33, 2390087), (77, 1024323), (231, 341441), (557, 141603), (613, 128667), (1671, 47201), (1839, 42889), (3899, 20229), (4291, 18381), (6127, 12873), (6743, 11697)]