420199143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{22973}}^1$

素因数の和:23063

約数の個数: 32

約数和(自身を含む): 699879936

約数和(自身を除く): 279680793

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 6097, 18291, 22973, 68919, 160811, 298649, 482433, 895947, 1539191, 2090543, 4617573, 6271629, 10774337, 20009483, 32323011, 60028449, 140066381, 420199143]

約数ペア:

[(1, 420199143), (3, 140066381), (7, 60028449), (13, 32323011), (21, 20009483), (39, 10774337), (67, 6271629), (91, 4617573), (201, 2090543), (273, 1539191), (469, 895947), (871, 482433), (1407, 298649), (2613, 160811), (6097, 68919), (18291, 22973)]