71421345

素因数分解:

$3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2027}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 132874560

約数和(自身を除く): 61453215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 783, 1215, 1305, 2027, 2349, 3915, 6081, 7047, 10135, 11745, 18243, 30405, 35235, 54729, 58783, 91215, 164187, 176349, 273645, 293915, 492561, 529047, 820935, 881745, 1587141, 2462805, 2645235, 4761423, 7935705, 14284269, 23807115, 71421345]

約数ペア:

[(1, 71421345), (3, 23807115), (5, 14284269), (9, 7935705), (15, 4761423), (27, 2645235), (29, 2462805), (45, 1587141), (81, 881745), (87, 820935), (135, 529047), (145, 492561), (243, 293915), (261, 273645), (405, 176349), (435, 164187), (783, 91215), (1215, 58783), (1305, 54729), (2027, 35235), (2349, 30405), (3915, 18243), (6081, 11745), (7047, 10135)]