428733

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 20

約数和(自身を含む): 658240

約数和(自身を除く): 229507

約数列:

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

約数ペア:

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