678998529

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 1098624384

約数和(自身を除く): 419625855

約数列:

[1, 3, 9, 11, 33, 53, 99, 151, 159, 453, 477, 583, 857, 1359, 1661, 1749, 2571, 4983, 5247, 7713, 8003, 9427, 14949, 24009, 28281, 45421, 72027, 84843, 88033, 129407, 136263, 264099, 388221, 408789, 499631, 792297, 1164663, 1423477, 1498893, 4270431, 4496679, 6858571, 12811293, 20575713, 61727139, 75444281, 226332843, 678998529]

約数ペア:

[(1, 678998529), (3, 226332843), (9, 75444281), (11, 61727139), (33, 20575713), (53, 12811293), (99, 6858571), (151, 4496679), (159, 4270431), (453, 1498893), (477, 1423477), (583, 1164663), (857, 792297), (1359, 499631), (1661, 408789), (1749, 388221), (2571, 264099), (4983, 136263), (5247, 129407), (7713, 88033), (8003, 84843), (9427, 72027), (14949, 45421), (24009, 28281)]