1286199

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1980160

約数和(自身を除く): 693961

約数列:

[1, 3, 9, 27, 67, 79, 81, 201, 237, 243, 603, 711, 1809, 2133, 5293, 5427, 6399, 15879, 16281, 19197, 47637, 142911, 428733, 1286199]

約数ペア:

[(1, 1286199), (3, 428733), (9, 142911), (27, 47637), (67, 19197), (79, 16281), (81, 15879), (201, 6399), (237, 5427), (243, 5293), (603, 2133), (711, 1809)]