3920637

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 6156000

約数和(自身を除く): 2235363

約数列:

[1, 3, 7, 21, 49, 147, 149, 179, 447, 537, 1043, 1253, 3129, 3759, 7301, 8771, 21903, 26313, 26671, 80013, 186697, 560091, 1306879, 3920637]

約数ペア:

[(1, 3920637), (3, 1306879), (7, 560091), (21, 186697), (49, 80013), (147, 26671), (149, 26313), (179, 21903), (447, 8771), (537, 7301), (1043, 3759), (1253, 3129)]