240172785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{232051}}^1$

素因数の和:232085

約数の個数: 24

約数和(自身を含む): 434401344

約数和(自身を除く): 194228559

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 232051, 696153, 1160255, 2088459, 3480765, 5337173, 10442295, 16011519, 26685865, 48034557, 80057595, 240172785]

約数ペア:

[(1, 240172785), (3, 80057595), (5, 48034557), (9, 26685865), (15, 16011519), (23, 10442295), (45, 5337173), (69, 3480765), (115, 2088459), (207, 1160255), (345, 696153), (1035, 232051)]