15129891

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 26411008

約数和(自身を除く): 11281117

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 127, 183, 217, 279, 381, 427, 549, 651, 889, 1143, 1281, 1891, 1953, 2667, 3843, 3937, 5673, 7747, 8001, 11811, 13237, 17019, 23241, 27559, 35433, 39711, 54229, 69723, 82677, 119133, 162687, 240157, 248031, 488061, 720471, 1681099, 2161413, 5043297, 15129891]

約数ペア:

[(1, 15129891), (3, 5043297), (7, 2161413), (9, 1681099), (21, 720471), (31, 488061), (61, 248031), (63, 240157), (93, 162687), (127, 119133), (183, 82677), (217, 69723), (279, 54229), (381, 39711), (427, 35433), (549, 27559), (651, 23241), (889, 17019), (1143, 13237), (1281, 11811), (1891, 8001), (1953, 7747), (2667, 5673), (3843, 3937)]