290460399

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 416317440

約数和(自身を除く): 125857041

約数列:

[1, 3, 23, 43, 69, 129, 223, 439, 669, 989, 1317, 2967, 5129, 9589, 10097, 15387, 18877, 28767, 30291, 56631, 97897, 220547, 293691, 434171, 661641, 1302513, 2251631, 4209571, 6754893, 12628713, 96820133, 290460399]

約数ペア:

[(1, 290460399), (3, 96820133), (23, 12628713), (43, 6754893), (69, 4209571), (129, 2251631), (223, 1302513), (439, 661641), (669, 434171), (989, 293691), (1317, 220547), (2967, 97897), (5129, 56631), (9589, 30291), (10097, 28767), (15387, 18877)]