231019215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 437778432

約数和(自身を除く): 206759217

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 103, 105, 123, 205, 287, 309, 515, 521, 615, 721, 861, 1435, 1545, 1563, 2163, 2605, 3605, 3647, 4223, 4305, 7815, 10815, 10941, 12669, 18235, 21115, 21361, 29561, 53663, 54705, 63345, 64083, 88683, 106805, 147805, 149527, 160989, 268315, 320415, 375641, 443415, 448581, 747635, 804945, 1126923, 1878205, 2200183, 2242905, 5634615, 6600549, 11000915, 15401281, 33002745, 46203843, 77006405, 231019215]

約数ペア:

[(1, 231019215), (3, 77006405), (5, 46203843), (7, 33002745), (15, 15401281), (21, 11000915), (35, 6600549), (41, 5634615), (103, 2242905), (105, 2200183), (123, 1878205), (205, 1126923), (287, 804945), (309, 747635), (515, 448581), (521, 443415), (615, 375641), (721, 320415), (861, 268315), (1435, 160989), (1545, 149527), (1563, 147805), (2163, 106805), (2605, 88683), (3605, 64083), (3647, 63345), (4223, 54705), (4305, 53663), (7815, 29561), (10815, 21361), (10941, 21115), (12669, 18235)]