2536821

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4257344

約数和(自身を除く): 1720523

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 601, 603, 1407, 1803, 4207, 4221, 5409, 12621, 37863, 40267, 120801, 281869, 362403, 845607, 2536821]

約数ペア:

[(1, 2536821), (3, 845607), (7, 362403), (9, 281869), (21, 120801), (63, 40267), (67, 37863), (201, 12621), (469, 5409), (601, 4221), (603, 4207), (1407, 1803)]