205821207

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{14879}}^1$

素因数の和:14967

約数の個数: 24

約数和(自身を含む): 313372800

約数和(自身を除く): 107551593

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1537, 4611, 13833, 14879, 44637, 133911, 431491, 788587, 1294473, 2365761, 3883419, 7097283, 22869023, 68607069, 205821207]

約数ペア:

[(1, 205821207), (3, 68607069), (9, 22869023), (29, 7097283), (53, 3883419), (87, 2365761), (159, 1294473), (261, 788587), (477, 431491), (1537, 133911), (4611, 44637), (13833, 14879)]