1489509

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 2648448

約数和(自身を除く): 1158939

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 81, 111, 189, 213, 259, 333, 497, 567, 639, 777, 999, 1491, 1917, 2331, 2627, 2997, 4473, 5751, 6993, 7881, 13419, 18389, 20979, 23643, 40257, 55167, 70929, 165501, 212787, 496503, 1489509]

約数ペア:

[(1, 1489509), (3, 496503), (7, 212787), (9, 165501), (21, 70929), (27, 55167), (37, 40257), (63, 23643), (71, 20979), (81, 18389), (111, 13419), (189, 7881), (213, 6993), (259, 5751), (333, 4473), (497, 2997), (567, 2627), (639, 2331), (777, 1917), (999, 1491)]