27123945

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 44592768

約数和(自身を除く): 17468823

約数列:

[1, 3, 5, 15, 67, 137, 197, 201, 335, 411, 591, 685, 985, 1005, 2055, 2955, 9179, 13199, 26989, 27537, 39597, 45895, 65995, 80967, 134945, 137685, 197985, 404835, 1808263, 5424789, 9041315, 27123945]

約数ペア:

[(1, 27123945), (3, 9041315), (5, 5424789), (15, 1808263), (67, 404835), (137, 197985), (197, 137685), (201, 134945), (335, 80967), (411, 65995), (591, 45895), (685, 39597), (985, 27537), (1005, 26989), (2055, 13199), (2955, 9179)]