243564105

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1997}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 400495104

約数和(自身を除く): 156930999

約数列:

[1, 3, 5, 15, 47, 141, 173, 235, 519, 705, 865, 1997, 2595, 5991, 8131, 9985, 24393, 29955, 40655, 93859, 121965, 281577, 345481, 469295, 1036443, 1407885, 1727405, 5182215, 16237607, 48712821, 81188035, 243564105]

約数ペア:

[(1, 243564105), (3, 81188035), (5, 48712821), (15, 16237607), (47, 5182215), (141, 1727405), (173, 1407885), (235, 1036443), (519, 469295), (705, 345481), (865, 281577), (1997, 121965), (2595, 93859), (5991, 40655), (8131, 29955), (9985, 24393)]