1338893493

素因数分解:

$3^1\times 7^2\times {\mathrm{1229}}^1\times {\mathrm{7411}}^1$

素因数の和:8657

約数の個数: 24

約数和(自身を含む): 2078621280

約数和(自身を除く): 739727787

約数列:

[1, 3, 7, 21, 49, 147, 1229, 3687, 7411, 8603, 22233, 25809, 51877, 60221, 155631, 180663, 363139, 1089417, 9108119, 27324357, 63756833, 191270499, 446297831, 1338893493]

約数ペア:

[(1, 1338893493), (3, 446297831), (7, 191270499), (21, 63756833), (49, 27324357), (147, 9108119), (1229, 1089417), (3687, 363139), (7411, 180663), (8603, 155631), (22233, 60221), (25809, 51877)]