243351983

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 299904000

約数和(自身を除く): 56552017

約数列:

[1, 7, 23, 49, 109, 161, 283, 343, 763, 1127, 1981, 2507, 5341, 6509, 7889, 13867, 17549, 30847, 37387, 45563, 97069, 122843, 215929, 318941, 709481, 859901, 1511503, 2232587, 4966367, 10580521, 34764569, 243351983]

約数ペア:

[(1, 243351983), (7, 34764569), (23, 10580521), (49, 4966367), (109, 2232587), (161, 1511503), (283, 859901), (343, 709481), (763, 318941), (1127, 215929), (1981, 122843), (2507, 97069), (5341, 45563), (6509, 37387), (7889, 30847), (13867, 17549)]