19620804915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{361241}}^1$

素因数の和:361340

約数の個数: 48

約数和(自身を含む): 36517231296

約数和(自身を除く): 16896426381

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 3195, 3621, 6035, 10863, 18105, 54315, 361241, 1083723, 1806205, 3251169, 5418615, 6141097, 16255845, 18423291, 25648111, 30705485, 55269873, 76944333, 92116455, 128240555, 230832999, 276349365, 384721665, 436017887, 1154164995, 1308053661, 2180089435, 3924160983, 6540268305, 19620804915]

約数ペア:

[(1, 19620804915), (3, 6540268305), (5, 3924160983), (9, 2180089435), (15, 1308053661), (17, 1154164995), (45, 436017887), (51, 384721665), (71, 276349365), (85, 230832999), (153, 128240555), (213, 92116455), (255, 76944333), (355, 55269873), (639, 30705485), (765, 25648111), (1065, 18423291), (1207, 16255845), (3195, 6141097), (3621, 5418615), (6035, 3251169), (10863, 1806205), (18105, 1083723), (54315, 361241)]