724748031

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{20147}}^1$

素因数の和:20731

約数の個数: 24

約数和(自身を含む): 1198564224

約数和(自身を除く): 473816193

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 3997, 5139, 11991, 20147, 35973, 60441, 141029, 181323, 423087, 1269261, 11503937, 34511811, 80527559, 103535433, 241582677, 724748031]

約数ペア:

[(1, 724748031), (3, 241582677), (7, 103535433), (9, 80527559), (21, 34511811), (63, 11503937), (571, 1269261), (1713, 423087), (3997, 181323), (5139, 141029), (11991, 60441), (20147, 35973)]