38909781

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 59306880

約数和(自身を除く): 20397099

約数列:

[1, 3, 9, 27, 67, 137, 157, 201, 411, 471, 603, 1233, 1413, 1809, 3699, 4239, 9179, 10519, 21509, 27537, 31557, 64527, 82611, 94671, 193581, 247833, 284013, 580743, 1441103, 4323309, 12969927, 38909781]

約数ペア:

[(1, 38909781), (3, 12969927), (9, 4323309), (27, 1441103), (67, 580743), (137, 284013), (157, 247833), (201, 193581), (411, 94671), (471, 82611), (603, 64527), (1233, 31557), (1413, 27537), (1809, 21509), (3699, 10519), (4239, 9179)]