28274391

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 42631680

約数和(自身を除く): 14357289

約数列:

[1, 3, 9, 29, 87, 127, 261, 381, 853, 1143, 2559, 3683, 7677, 11049, 24737, 33147, 74211, 108331, 222633, 324993, 974979, 3141599, 9424797, 28274391]

約数ペア:

[(1, 28274391), (3, 9424797), (9, 3141599), (29, 974979), (87, 324993), (127, 222633), (261, 108331), (381, 74211), (853, 33147), (1143, 24737), (2559, 11049), (3683, 7677)]