17398521

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 12927879

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 107, 203, 261, 267, 321, 609, 623, 749, 801, 963, 1827, 1869, 2247, 2581, 3103, 5607, 6741, 7743, 9309, 9523, 18067, 21721, 23229, 27927, 28569, 54201, 65163, 66661, 85707, 162603, 195489, 199983, 276167, 599949, 828501, 1933169, 2485503, 5799507, 17398521]

約数ペア:

[(1, 17398521), (3, 5799507), (7, 2485503), (9, 1933169), (21, 828501), (29, 599949), (63, 276167), (87, 199983), (89, 195489), (107, 162603), (203, 85707), (261, 66661), (267, 65163), (321, 54201), (609, 28569), (623, 27927), (749, 23229), (801, 21721), (963, 18067), (1827, 9523), (1869, 9309), (2247, 7743), (2581, 6741), (3103, 5607)]