85440555

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 163814400

約数和(自身を除く): 78373845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 59, 85, 135, 153, 177, 255, 295, 459, 531, 631, 765, 885, 1003, 1593, 1893, 2295, 2655, 3009, 3155, 5015, 5679, 7965, 9027, 9465, 10727, 15045, 17037, 27081, 28395, 32181, 37229, 45135, 53635, 85185, 96543, 111687, 135405, 160905, 186145, 289629, 335061, 482715, 558435, 632893, 1005183, 1448145, 1675305, 1898679, 3164465, 5025915, 5696037, 9493395, 17088111, 28480185, 85440555]

約数ペア:

[(1, 85440555), (3, 28480185), (5, 17088111), (9, 9493395), (15, 5696037), (17, 5025915), (27, 3164465), (45, 1898679), (51, 1675305), (59, 1448145), (85, 1005183), (135, 632893), (153, 558435), (177, 482715), (255, 335061), (295, 289629), (459, 186145), (531, 160905), (631, 135405), (765, 111687), (885, 96543), (1003, 85185), (1593, 53635), (1893, 45135), (2295, 37229), (2655, 32181), (3009, 28395), (3155, 27081), (5015, 17037), (5679, 15045), (7965, 10727), (9027, 9465)]