51911265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 99016704

約数和(自身を除く): 47105439

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 67, 105, 141, 157, 201, 235, 329, 335, 469, 471, 705, 785, 987, 1005, 1099, 1407, 1645, 2345, 2355, 3149, 3297, 4935, 5495, 7035, 7379, 9447, 10519, 15745, 16485, 22043, 22137, 31557, 36895, 47235, 51653, 52595, 66129, 73633, 110215, 110685, 154959, 157785, 220899, 258265, 330645, 368165, 494393, 774795, 1104495, 1483179, 2471965, 3460751, 7415895, 10382253, 17303755, 51911265]

約数ペア:

[(1, 51911265), (3, 17303755), (5, 10382253), (7, 7415895), (15, 3460751), (21, 2471965), (35, 1483179), (47, 1104495), (67, 774795), (105, 494393), (141, 368165), (157, 330645), (201, 258265), (235, 220899), (329, 157785), (335, 154959), (469, 110685), (471, 110215), (705, 73633), (785, 66129), (987, 52595), (1005, 51653), (1099, 47235), (1407, 36895), (1645, 31557), (2345, 22137), (2355, 22043), (3149, 16485), (3297, 15745), (4935, 10519), (5495, 9447), (7035, 7379)]