47905821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{647}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 73120320

約数和(自身を除く): 25214499

約数列:

[1, 3, 9, 19, 57, 171, 433, 647, 1299, 1941, 3897, 5823, 8227, 12293, 24681, 36879, 74043, 110637, 280151, 840453, 2521359, 5322869, 15968607, 47905821]

約数ペア:

[(1, 47905821), (3, 15968607), (9, 5322869), (19, 2521359), (57, 840453), (171, 280151), (433, 110637), (647, 74043), (1299, 36879), (1941, 24681), (3897, 12293), (5823, 8227)]