680440725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{177893}}^1$

素因数の和:177926

約数の個数: 36

約数和(自身を含む): 1290443076

約数和(自身を除く): 610002351

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 177893, 533679, 889465, 1601037, 2668395, 3024181, 4447325, 8005185, 9072543, 13341975, 15120905, 27217629, 40025925, 45362715, 75604525, 136088145, 226813575, 680440725]

約数ペア:

[(1, 680440725), (3, 226813575), (5, 136088145), (9, 75604525), (15, 45362715), (17, 40025925), (25, 27217629), (45, 15120905), (51, 13341975), (75, 9072543), (85, 8005185), (153, 4447325), (225, 3024181), (255, 2668395), (425, 1601037), (765, 889465), (1275, 533679), (3825, 177893)]