331401993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 484417920

約数和(自身を除く): 153015927

約数列:

[1, 3, 13, 39, 113, 139, 339, 417, 541, 1469, 1623, 1807, 4407, 5421, 7033, 15707, 21099, 47121, 61133, 75199, 183399, 204191, 225597, 612573, 794729, 977587, 2384187, 2932761, 8497487, 25492461, 110467331, 331401993]

約数ペア:

[(1, 331401993), (3, 110467331), (13, 25492461), (39, 8497487), (113, 2932761), (139, 2384187), (339, 977587), (417, 794729), (541, 612573), (1469, 225597), (1623, 204191), (1807, 183399), (4407, 75199), (5421, 61133), (7033, 47121), (15707, 21099)]