51215733

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 82101888

約数和(自身を除く): 30886155

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 207, 333, 621, 743, 851, 999, 1863, 2229, 2553, 2997, 6687, 7659, 17089, 20061, 22977, 27491, 51267, 60183, 68931, 82473, 153801, 247419, 461403, 632293, 742257, 1384209, 1896879, 2226771, 5690637, 17071911, 51215733]

約数ペア:

[(1, 51215733), (3, 17071911), (9, 5690637), (23, 2226771), (27, 1896879), (37, 1384209), (69, 742257), (81, 632293), (111, 461403), (207, 247419), (333, 153801), (621, 82473), (743, 68931), (851, 60183), (999, 51267), (1863, 27491), (2229, 22977), (2553, 20061), (2997, 17089), (6687, 7659)]