81009747

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{32971}}^1$

素因数の和:33000

約数の個数: 32

約数和(自身を含む): 147714560

約数和(自身を除く): 66704813

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 32971, 98913, 230797, 296739, 428623, 692391, 890217, 1285869, 2077173, 3000361, 3857607, 6231519, 9001083, 11572821, 27003249, 81009747]

約数ペア:

[(1, 81009747), (3, 27003249), (7, 11572821), (9, 9001083), (13, 6231519), (21, 3857607), (27, 3000361), (39, 2077173), (63, 1285869), (91, 890217), (117, 692391), (189, 428623), (273, 296739), (351, 230797), (819, 98913), (2457, 32971)]