27798145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 9837695

約数列:

[1, 5, 17, 23, 59, 85, 115, 241, 295, 391, 1003, 1205, 1357, 1955, 4097, 5015, 5543, 6785, 14219, 20485, 23069, 27715, 71095, 94231, 115345, 241723, 327037, 471155, 1208615, 1635185, 5559629, 27798145]

約数ペア:

[(1, 27798145), (5, 5559629), (17, 1635185), (23, 1208615), (59, 471155), (85, 327037), (115, 241723), (241, 115345), (295, 94231), (391, 71095), (1003, 27715), (1205, 23069), (1357, 20485), (1955, 14219), (4097, 6785), (5015, 5543)]