388749861

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6827}}^1$

素因数の和:6895

約数の個数: 40

約数和(自身を含む): 627902880

約数和(自身を除く): 239153019

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 333, 513, 703, 999, 1539, 2109, 2997, 6327, 6827, 18981, 20481, 56943, 61443, 129713, 184329, 252599, 389139, 552987, 757797, 1167417, 2273391, 3502251, 4799381, 6820173, 10506753, 14398143, 20460519, 43194429, 129583287, 388749861]

約数ペア:

[(1, 388749861), (3, 129583287), (9, 43194429), (19, 20460519), (27, 14398143), (37, 10506753), (57, 6820173), (81, 4799381), (111, 3502251), (171, 2273391), (333, 1167417), (513, 757797), (703, 552987), (999, 389139), (1539, 252599), (2109, 184329), (2997, 129713), (6327, 61443), (6827, 56943), (18981, 20481)]