8220345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 15237120

約数和(自身を除く): 7016775

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 991, 1185, 1659, 2765, 2973, 4955, 6937, 8295, 14865, 20811, 34685, 78289, 104055, 234867, 391445, 548023, 1174335, 1644069, 2740115, 8220345]

約数ペア:

[(1, 8220345), (3, 2740115), (5, 1644069), (7, 1174335), (15, 548023), (21, 391445), (35, 234867), (79, 104055), (105, 78289), (237, 34685), (395, 20811), (553, 14865), (991, 8295), (1185, 6937), (1659, 4955), (2765, 2973)]