81693183

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 128765952

約数和(自身を除く): 47072769

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 429, 573, 997, 2101, 2483, 2991, 6303, 7449, 10967, 12961, 27313, 32901, 38883, 81939, 142571, 190427, 427713, 571281, 2094697, 2475551, 6284091, 7426653, 27231061, 81693183]

約数ペア:

[(1, 81693183), (3, 27231061), (11, 7426653), (13, 6284091), (33, 2475551), (39, 2094697), (143, 571281), (191, 427713), (429, 190427), (573, 142571), (997, 81939), (2101, 38883), (2483, 32901), (2991, 27313), (6303, 12961), (7449, 10967)]