81291654

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{5209}}^1$

素因数の和:5254

約数の個数: 48

約数和(自身を含む): 191936400

約数和(自身を除く): 110644746

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 289, 306, 459, 578, 867, 918, 1734, 2601, 5202, 5209, 7803, 10418, 15606, 15627, 31254, 46881, 88553, 93762, 140643, 177106, 265659, 281286, 531318, 796977, 1505401, 1593954, 2390931, 3010802, 4516203, 4781862, 9032406, 13548609, 27097218, 40645827, 81291654]

約数ペア:

[(1, 81291654), (2, 40645827), (3, 27097218), (6, 13548609), (9, 9032406), (17, 4781862), (18, 4516203), (27, 3010802), (34, 2390931), (51, 1593954), (54, 1505401), (102, 796977), (153, 531318), (289, 281286), (306, 265659), (459, 177106), (578, 140643), (867, 93762), (918, 88553), (1734, 46881), (2601, 31254), (5202, 15627), (5209, 15606), (7803, 10418)]