78989127

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2647}}^1$

素因数の和:2700

約数の個数: 32

約数和(自身を含む): 127104000

約数和(自身を除く): 48114873

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 2647, 4263, 7941, 9947, 18529, 29841, 55587, 76763, 129703, 230289, 389109, 537341, 907921, 1612023, 2723763, 3761387, 11284161, 26329709, 78989127]

約数ペア:

[(1, 78989127), (3, 26329709), (7, 11284161), (21, 3761387), (29, 2723763), (49, 1612023), (87, 907921), (147, 537341), (203, 389109), (343, 230289), (609, 129703), (1029, 76763), (1421, 55587), (2647, 29841), (4263, 18529), (7941, 9947)]