1991535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 3924480

約数和(自身を除く): 1932945

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1459, 4377, 7295, 10213, 18967, 21885, 30639, 51065, 56901, 94835, 132769, 153195, 284505, 398307, 663845, 1991535]

約数ペア:

[(1, 1991535), (3, 663845), (5, 398307), (7, 284505), (13, 153195), (15, 132769), (21, 94835), (35, 56901), (39, 51065), (65, 30639), (91, 21885), (105, 18967), (195, 10213), (273, 7295), (455, 4377), (1365, 1459)]