1218645

素因数分解:

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

素因数の和:96

約数の個数: 48

約数和(自身を含む): 2358720

約数和(自身を除く): 1140075

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 59, 81, 85, 135, 153, 177, 243, 255, 295, 405, 459, 531, 765, 885, 1003, 1215, 1377, 1593, 2295, 2655, 3009, 4131, 4779, 5015, 6885, 7965, 9027, 14337, 15045, 20655, 23895, 27081, 45135, 71685, 81243, 135405, 243729, 406215, 1218645]

約数ペア:

[(1, 1218645), (3, 406215), (5, 243729), (9, 135405), (15, 81243), (17, 71685), (27, 45135), (45, 27081), (51, 23895), (59, 20655), (81, 15045), (85, 14337), (135, 9027), (153, 7965), (177, 6885), (243, 5015), (255, 4779), (295, 4131), (405, 3009), (459, 2655), (531, 2295), (765, 1593), (885, 1377), (1003, 1215)]