261994671

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{32381}}^1$

素因数の和:32447

約数の個数: 24

約数和(自身を含む): 404127360

約数和(自身を除く): 142132689

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 32381, 97143, 291429, 939049, 1003811, 2817147, 3011433, 8451441, 9034299, 29110519, 87331557, 261994671]

約数ペア:

[(1, 261994671), (3, 87331557), (9, 29110519), (29, 9034299), (31, 8451441), (87, 3011433), (93, 2817147), (261, 1003811), (279, 939049), (899, 291429), (2697, 97143), (8091, 32381)]