128752407

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 226437120

約数和(自身を除く): 97684713

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 239, 357, 503, 717, 1071, 1509, 1673, 2151, 3521, 4063, 4527, 5019, 8551, 10563, 12189, 15057, 25653, 28441, 31689, 36567, 59857, 76959, 85323, 120217, 179571, 255969, 360651, 538713, 841519, 1081953, 2043689, 2524557, 6131067, 7573671, 14305823, 18393201, 42917469, 128752407]

約数ペア:

[(1, 128752407), (3, 42917469), (7, 18393201), (9, 14305823), (17, 7573671), (21, 6131067), (51, 2524557), (63, 2043689), (119, 1081953), (153, 841519), (239, 538713), (357, 360651), (503, 255969), (717, 179571), (1071, 120217), (1509, 85323), (1673, 76959), (2151, 59857), (3521, 36567), (4063, 31689), (4527, 28441), (5019, 25653), (8551, 15057), (10563, 12189)]