68485557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4639}}^1$

素因数の和:4705

約数の個数: 32

約数和(自身を含む): 112844800

約数和(自身を除く): 44359243

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4639, 4921, 13917, 14763, 32473, 88141, 97419, 171643, 264423, 514929, 616987, 1201501, 1850961, 3261217, 3604503, 9783651, 22828519, 68485557]

約数ペア:

[(1, 68485557), (3, 22828519), (7, 9783651), (19, 3604503), (21, 3261217), (37, 1850961), (57, 1201501), (111, 616987), (133, 514929), (259, 264423), (399, 171643), (703, 97419), (777, 88141), (2109, 32473), (4639, 14763), (4921, 13917)]