42420465

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5449}}^1$

素因数の和:5633

約数の個数: 24

約数和(自身を含む): 73967400

約数和(自身を除く): 31546935

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 5449, 7785, 16347, 27245, 49041, 81735, 245205, 942677, 2828031, 4713385, 8484093, 14140155, 42420465]

約数ペア:

[(1, 42420465), (3, 14140155), (5, 8484093), (9, 4713385), (15, 2828031), (45, 942677), (173, 245205), (519, 81735), (865, 49041), (1557, 27245), (2595, 16347), (5449, 7785)]