12582975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 9915585

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 139, 213, 255, 355, 417, 425, 695, 1065, 1207, 1275, 1775, 2085, 2363, 3475, 3621, 5325, 6035, 7089, 9869, 10425, 11815, 18105, 29607, 30175, 35445, 49345, 59075, 90525, 148035, 167773, 177225, 246725, 503319, 740175, 838865, 2516595, 4194325, 12582975]

約数ペア:

[(1, 12582975), (3, 4194325), (5, 2516595), (15, 838865), (17, 740175), (25, 503319), (51, 246725), (71, 177225), (75, 167773), (85, 148035), (139, 90525), (213, 59075), (255, 49345), (355, 35445), (417, 30175), (425, 29607), (695, 18105), (1065, 11815), (1207, 10425), (1275, 9869), (1775, 7089), (2085, 6035), (2363, 5325), (3475, 3621)]