68907645

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2591}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 123171840

約数和(自身を除く): 54264195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 1773, 2591, 2955, 5319, 7773, 8865, 12955, 23319, 26595, 38865, 69957, 116595, 349785, 510427, 1531281, 2552135, 4593843, 7656405, 13781529, 22969215, 68907645]

約数ペア:

[(1, 68907645), (3, 22969215), (5, 13781529), (9, 7656405), (15, 4593843), (27, 2552135), (45, 1531281), (135, 510427), (197, 349785), (591, 116595), (985, 69957), (1773, 38865), (2591, 26595), (2955, 23319), (5319, 12955), (7773, 8865)]