66784095

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23557}}^1$

素因数の和:23581

約数の個数: 40

約数和(自身を含む): 136824864

約数和(自身を除く): 70040769

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 23557, 70671, 117785, 164899, 212013, 353355, 494697, 636039, 824495, 1060065, 1484091, 1908117, 2473485, 3180195, 4452273, 7420455, 9540585, 13356819, 22261365, 66784095]

約数ペア:

[(1, 66784095), (3, 22261365), (5, 13356819), (7, 9540585), (9, 7420455), (15, 4452273), (21, 3180195), (27, 2473485), (35, 1908117), (45, 1484091), (63, 1060065), (81, 824495), (105, 636039), (135, 494697), (189, 353355), (315, 212013), (405, 164899), (567, 117785), (945, 70671), (2835, 23557)]