31883139

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{2357}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 47933424

約数和(自身を除く): 16050285

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 2357, 4509, 7071, 13527, 21213, 63639, 190917, 393619, 1180857, 3542571, 10627713, 31883139]

約数ペア:

[(1, 31883139), (3, 10627713), (9, 3542571), (27, 1180857), (81, 393619), (167, 190917), (501, 63639), (1503, 21213), (2357, 13527), (4509, 7071)]