87219639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 63738441

約数列:

[1, 3, 9, 13, 17, 27, 39, 47, 51, 117, 141, 153, 221, 311, 351, 423, 459, 611, 663, 799, 933, 1269, 1833, 1989, 2397, 2799, 4043, 5287, 5499, 5967, 7191, 8397, 10387, 12129, 14617, 15861, 16497, 21573, 31161, 36387, 43851, 47583, 68731, 93483, 109161, 131553, 142749, 190021, 206193, 248489, 280449, 394659, 570063, 618579, 745467, 1710189, 1855737, 2236401, 3230357, 5130567, 6709203, 9691071, 29073213, 87219639]

約数ペア:

[(1, 87219639), (3, 29073213), (9, 9691071), (13, 6709203), (17, 5130567), (27, 3230357), (39, 2236401), (47, 1855737), (51, 1710189), (117, 745467), (141, 618579), (153, 570063), (221, 394659), (311, 280449), (351, 248489), (423, 206193), (459, 190021), (611, 142749), (663, 131553), (799, 109161), (933, 93483), (1269, 68731), (1833, 47583), (1989, 43851), (2397, 36387), (2799, 31161), (4043, 21573), (5287, 16497), (5499, 15861), (5967, 14617), (7191, 12129), (8397, 10387)]