478931001

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 678881280

約数和(自身を除く): 199950279

約数列:

[1, 3, 23, 69, 97, 163, 291, 439, 489, 1317, 2231, 3749, 6693, 10097, 11247, 15811, 30291, 42583, 47433, 71557, 127749, 214671, 363653, 979409, 1090959, 1645811, 2938227, 4937433, 6941029, 20823087, 159643667, 478931001]

約数ペア:

[(1, 478931001), (3, 159643667), (23, 20823087), (69, 6941029), (97, 4937433), (163, 2938227), (291, 1645811), (439, 1090959), (489, 979409), (1317, 363653), (2231, 214671), (3749, 127749), (6693, 71557), (10097, 47433), (11247, 42583), (15811, 30291)]