201720105

素因数分解:

$3^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1847}}^1$

素因数の和:2670

約数の個数: 32

約数和(自身を含む): 359251200

約数和(自身を除く): 157531095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 809, 1847, 2427, 4045, 5541, 7281, 9235, 12135, 16623, 21843, 27705, 36405, 49869, 83115, 109215, 249345, 1494223, 4482669, 7471115, 13448007, 22413345, 40344021, 67240035, 201720105]

約数ペア:

[(1, 201720105), (3, 67240035), (5, 40344021), (9, 22413345), (15, 13448007), (27, 7471115), (45, 4482669), (135, 1494223), (809, 249345), (1847, 109215), (2427, 83115), (4045, 49869), (5541, 36405), (7281, 27705), (9235, 21843), (12135, 16623)]