254225547

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{19991}}^1$

素因数の和:20160

約数の個数: 20

約数和(自身を含む): 382207056

約数和(自身を除く): 127981509

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 19991, 59973, 179919, 539757, 1619271, 3138587, 9415761, 28247283, 84741849, 254225547]

約数ペア:

[(1, 254225547), (3, 84741849), (9, 28247283), (27, 9415761), (81, 3138587), (157, 1619271), (471, 539757), (1413, 179919), (4239, 59973), (12717, 19991)]