66857505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 60876255

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 71, 143, 165, 195, 213, 355, 429, 439, 715, 781, 923, 1065, 1317, 2145, 2195, 2343, 2769, 3905, 4615, 4829, 5707, 6585, 10153, 11715, 13845, 14487, 17121, 24145, 28535, 30459, 31169, 50765, 62777, 72435, 85605, 93507, 152295, 155845, 188331, 313885, 342859, 405197, 467535, 941655, 1028577, 1215591, 1714295, 2025985, 4457167, 5142885, 6077955, 13371501, 22285835, 66857505]

約数ペア:

[(1, 66857505), (3, 22285835), (5, 13371501), (11, 6077955), (13, 5142885), (15, 4457167), (33, 2025985), (39, 1714295), (55, 1215591), (65, 1028577), (71, 941655), (143, 467535), (165, 405197), (195, 342859), (213, 313885), (355, 188331), (429, 155845), (439, 152295), (715, 93507), (781, 85605), (923, 72435), (1065, 62777), (1317, 50765), (2145, 31169), (2195, 30459), (2343, 28535), (2769, 24145), (3905, 17121), (4615, 14487), (4829, 13845), (5707, 11715), (6585, 10153)]