51798231

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 28841769

約数列:

[1, 3, 9, 23, 27, 69, 207, 239, 349, 621, 717, 1047, 2151, 3141, 5497, 6453, 8027, 9423, 16491, 24081, 49473, 72243, 83411, 148419, 216729, 250233, 750699, 1918453, 2252097, 5755359, 17266077, 51798231]

約数ペア:

[(1, 51798231), (3, 17266077), (9, 5755359), (23, 2252097), (27, 1918453), (69, 750699), (207, 250233), (239, 216729), (349, 148419), (621, 83411), (717, 72243), (1047, 49473), (2151, 24081), (3141, 16491), (5497, 9423), (6453, 8027)]