8721315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 16117920

約数和(自身を除く): 7396605

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 87, 123, 145, 163, 205, 261, 369, 435, 489, 615, 815, 1189, 1305, 1467, 1845, 2445, 3567, 4727, 5945, 6683, 7335, 10701, 14181, 17835, 20049, 23635, 33415, 42543, 53505, 60147, 70905, 100245, 193807, 212715, 300735, 581421, 969035, 1744263, 2907105, 8721315]

約数ペア:

[(1, 8721315), (3, 2907105), (5, 1744263), (9, 969035), (15, 581421), (29, 300735), (41, 212715), (45, 193807), (87, 100245), (123, 70905), (145, 60147), (163, 53505), (205, 42543), (261, 33415), (369, 23635), (435, 20049), (489, 17835), (615, 14181), (815, 10701), (1189, 7335), (1305, 6683), (1467, 5945), (1845, 4727), (2445, 3567)]