68138895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{821}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 119314944

約数和(自身を除く): 51176049

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 503, 821, 1509, 2463, 2515, 4105, 5533, 7545, 9031, 12315, 16599, 27093, 27665, 45155, 82995, 135465, 412963, 1238889, 2064815, 4542593, 6194445, 13627779, 22712965, 68138895]

約数ペア:

[(1, 68138895), (3, 22712965), (5, 13627779), (11, 6194445), (15, 4542593), (33, 2064815), (55, 1238889), (165, 412963), (503, 135465), (821, 82995), (1509, 45155), (2463, 27665), (2515, 27093), (4105, 16599), (5533, 12315), (7545, 9031)]