9997605

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 18420480

約数和(自身を除く): 8422875

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 163, 235, 261, 423, 435, 489, 705, 815, 1305, 1363, 1467, 2115, 2445, 4089, 4727, 6815, 7335, 7661, 12267, 14181, 20445, 22983, 23635, 38305, 42543, 61335, 68949, 70905, 114915, 212715, 222169, 344745, 666507, 1110845, 1999521, 3332535, 9997605]

約数ペア:

[(1, 9997605), (3, 3332535), (5, 1999521), (9, 1110845), (15, 666507), (29, 344745), (45, 222169), (47, 212715), (87, 114915), (141, 70905), (145, 68949), (163, 61335), (235, 42543), (261, 38305), (423, 23635), (435, 22983), (489, 20445), (705, 14181), (815, 12267), (1305, 7661), (1363, 7335), (1467, 6815), (2115, 4727), (2445, 4089)]