12947607

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 40

約数和(自身を含む): 20908800

約数和(自身を除く): 7961193

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 179, 423, 513, 537, 893, 1269, 1539, 1611, 2679, 3401, 3807, 4833, 8037, 8413, 10203, 14499, 24111, 25239, 30609, 72333, 75717, 91827, 159847, 227151, 275481, 479541, 681453, 1438623, 4315869, 12947607]

約数ペア:

[(1, 12947607), (3, 4315869), (9, 1438623), (19, 681453), (27, 479541), (47, 275481), (57, 227151), (81, 159847), (141, 91827), (171, 75717), (179, 72333), (423, 30609), (513, 25239), (537, 24111), (893, 14499), (1269, 10203), (1539, 8413), (1611, 8037), (2679, 4833), (3401, 3807)]