553668237

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{31991}}^1$

素因数の和:32641

約数の個数: 16

約数和(自身を含む): 821554560

約数和(自身を除く): 267886323

約数列:

[1, 3, 9, 27, 641, 1923, 5769, 17307, 31991, 95973, 287919, 863757, 20506231, 61518693, 184556079, 553668237]

約数ペア:

[(1, 553668237), (3, 184556079), (9, 61518693), (27, 20506231), (641, 863757), (1923, 287919), (5769, 95973), (17307, 31991)]