989115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 1714176

約数和(自身を除く): 725061

約数列:

[1, 3, 5, 15, 23, 47, 61, 69, 115, 141, 183, 235, 305, 345, 705, 915, 1081, 1403, 2867, 3243, 4209, 5405, 7015, 8601, 14335, 16215, 21045, 43005, 65941, 197823, 329705, 989115]

約数ペア:

[(1, 989115), (3, 329705), (5, 197823), (15, 65941), (23, 43005), (47, 21045), (61, 16215), (69, 14335), (115, 8601), (141, 7015), (183, 5405), (235, 4209), (305, 3243), (345, 2867), (705, 1403), (915, 1081)]