81805549

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 102764160

約数和(自身を除く): 20958611

約数列:

[1, 7, 23, 29, 49, 161, 203, 667, 1127, 1421, 2503, 4669, 17521, 32683, 57569, 72587, 122647, 402983, 508109, 1669501, 2820881, 3556763, 11686507, 81805549]

約数ペア:

[(1, 81805549), (7, 11686507), (23, 3556763), (29, 2820881), (49, 1669501), (161, 508109), (203, 402983), (667, 122647), (1127, 72587), (1421, 57569), (2503, 32683), (4669, 17521)]