28215327

素因数分解:

$3^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{523}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 43965696

約数和(自身を除く): 15750369

約数列:

[1, 3, 7, 21, 49, 147, 367, 523, 1101, 1569, 2569, 3661, 7707, 10983, 17983, 25627, 53949, 76881, 191941, 575823, 1343587, 4030761, 9405109, 28215327]

約数ペア:

[(1, 28215327), (3, 9405109), (7, 4030761), (21, 1343587), (49, 575823), (147, 191941), (367, 76881), (523, 53949), (1101, 25627), (1569, 17983), (2569, 10983), (3661, 7707)]