211328871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 310517760

約数和(自身を除く): 99188889

約数列:

[1, 3, 13, 39, 79, 113, 237, 339, 607, 1027, 1469, 1821, 3081, 4407, 7891, 8927, 23673, 26781, 47953, 68591, 116051, 143859, 205773, 348153, 623389, 891683, 1870167, 2675049, 5418689, 16256067, 70442957, 211328871]

約数ペア:

[(1, 211328871), (3, 70442957), (13, 16256067), (39, 5418689), (79, 2675049), (113, 1870167), (237, 891683), (339, 623389), (607, 348153), (1027, 205773), (1469, 143859), (1821, 116051), (3081, 68591), (4407, 47953), (7891, 26781), (8927, 23673)]