80671815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4533

約数の個数: 64

約数和(自身を含む): 172569600

約数和(自身を除く): 91897785

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1197, 1995, 2565, 3591, 4493, 5985, 13479, 17955, 22465, 31451, 40437, 67395, 85367, 94353, 121311, 157255, 202185, 256101, 283059, 426835, 471765, 597569, 606555, 768303, 849177, 1280505, 1415295, 1792707, 2304909, 2987845, 3841515, 4245885, 5378121, 8963535, 11524545, 16134363, 26890605, 80671815]

約数ペア:

[(1, 80671815), (3, 26890605), (5, 16134363), (7, 11524545), (9, 8963535), (15, 5378121), (19, 4245885), (21, 3841515), (27, 2987845), (35, 2304909), (45, 1792707), (57, 1415295), (63, 1280505), (95, 849177), (105, 768303), (133, 606555), (135, 597569), (171, 471765), (189, 426835), (285, 283059), (315, 256101), (399, 202185), (513, 157255), (665, 121311), (855, 94353), (945, 85367), (1197, 67395), (1995, 40437), (2565, 31451), (3591, 22465), (4493, 17955), (5985, 13479)]