287156403

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{6971}}^1$

素因数の和:7199

約数の個数: 24

約数和(自身を含む): 435052800

約数和(自身を除く): 147896397

約数列:

[1, 3, 9, 23, 69, 199, 207, 597, 1791, 4577, 6971, 13731, 20913, 41193, 62739, 160333, 480999, 1387229, 1442997, 4161687, 12485061, 31906267, 95718801, 287156403]

約数ペア:

[(1, 287156403), (3, 95718801), (9, 31906267), (23, 12485061), (69, 4161687), (199, 1442997), (207, 1387229), (597, 480999), (1791, 160333), (4577, 62739), (6971, 41193), (13731, 20913)]