80920917

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{38923}}^1$

素因数の和:38950

約数の個数: 32

約数和(自身を含む): 149468160

約数和(自身を除く): 68547243

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 38923, 116769, 272461, 350307, 428153, 817383, 1050921, 1284459, 2452149, 2997071, 3853377, 7356447, 8991213, 11560131, 26973639, 80920917]

約数ペア:

[(1, 80920917), (3, 26973639), (7, 11560131), (9, 8991213), (11, 7356447), (21, 3853377), (27, 2997071), (33, 2452149), (63, 1284459), (77, 1050921), (99, 817383), (189, 428153), (231, 350307), (297, 272461), (693, 116769), (2079, 38923)]