8561138565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{2719}}^1$

素因数の和:3082

約数の個数: 64

約数和(自身を含む): 15842672640

約数和(自身を除く): 7281534075

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 157, 191, 471, 573, 785, 955, 1099, 1337, 2355, 2719, 2865, 3297, 4011, 5495, 6685, 8157, 13595, 16485, 19033, 20055, 29987, 40785, 57099, 89961, 95165, 149935, 209909, 285495, 426883, 449805, 519329, 629727, 1049545, 1280649, 1557987, 2134415, 2596645, 2988181, 3148635, 3635303, 6403245, 7789935, 8964543, 10905909, 14940905, 18176515, 44822715, 54529545, 81534653, 244603959, 407673265, 570742571, 1223019795, 1712227713, 2853712855, 8561138565]

約数ペア:

[(1, 8561138565), (3, 2853712855), (5, 1712227713), (7, 1223019795), (15, 570742571), (21, 407673265), (35, 244603959), (105, 81534653), (157, 54529545), (191, 44822715), (471, 18176515), (573, 14940905), (785, 10905909), (955, 8964543), (1099, 7789935), (1337, 6403245), (2355, 3635303), (2719, 3148635), (2865, 2988181), (3297, 2596645), (4011, 2134415), (5495, 1557987), (6685, 1280649), (8157, 1049545), (13595, 629727), (16485, 519329), (19033, 449805), (20055, 426883), (29987, 285495), (40785, 209909), (57099, 149935), (89961, 95165)]