155890809

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 228725952

約数和(自身を除く): 72835143

約数列:

[1, 3, 9, 103, 211, 309, 633, 797, 927, 1899, 2391, 7173, 21733, 65199, 82091, 168167, 195597, 246273, 504501, 738819, 1513503, 17321201, 51963603, 155890809]

約数ペア:

[(1, 155890809), (3, 51963603), (9, 17321201), (103, 1513503), (211, 738819), (309, 504501), (633, 246273), (797, 195597), (927, 168167), (1899, 82091), (2391, 65199), (7173, 21733)]