28725111

素因数分解:

$3^4\times {\mathrm{67}}^2\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 30

約数和(自身を含む): 44111760

約数和(自身を除く): 15386649

約数列:

[1, 3, 9, 27, 67, 79, 81, 201, 237, 603, 711, 1809, 2133, 4489, 5293, 5427, 6399, 13467, 15879, 40401, 47637, 121203, 142911, 354631, 363609, 428733, 1063893, 3191679, 9575037, 28725111]

約数ペア:

[(1, 28725111), (3, 9575037), (9, 3191679), (27, 1063893), (67, 428733), (79, 363609), (81, 354631), (201, 142911), (237, 121203), (603, 47637), (711, 40401), (1809, 15879), (2133, 13467), (4489, 6399), (5293, 5427)]