78151221

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 114660000

約数和(自身を除く): 36508779

約数列:

[1, 3, 9, 139, 179, 349, 417, 537, 1047, 1251, 1611, 3141, 24881, 48511, 62471, 74643, 145533, 187413, 223929, 436599, 562239, 8683469, 26050407, 78151221]

約数ペア:

[(1, 78151221), (3, 26050407), (9, 8683469), (139, 562239), (179, 436599), (349, 223929), (417, 187413), (537, 145533), (1047, 74643), (1251, 62471), (1611, 48511), (3141, 24881)]