71238915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 136670976

約数和(自身を除く): 65432061

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2027, 2343, 3195, 3905, 6081, 7029, 10135, 11715, 18243, 22297, 30405, 35145, 66891, 91215, 111485, 143917, 200673, 334455, 431751, 719585, 1003365, 1295253, 1583087, 2158755, 4749261, 6476265, 7915435, 14247783, 23746305, 71238915]

約数ペア:

[(1, 71238915), (3, 23746305), (5, 14247783), (9, 7915435), (11, 6476265), (15, 4749261), (33, 2158755), (45, 1583087), (55, 1295253), (71, 1003365), (99, 719585), (165, 431751), (213, 334455), (355, 200673), (495, 143917), (639, 111485), (781, 91215), (1065, 66891), (2027, 35145), (2343, 30405), (3195, 22297), (3905, 18243), (6081, 11715), (7029, 10135)]