81691857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3049}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 127673000

約数和(自身を除く): 45981143

約数列:

[1, 3, 9, 13, 39, 117, 229, 687, 2061, 2977, 3049, 8931, 9147, 26793, 27441, 39637, 118911, 356733, 698221, 2094663, 6283989, 9076873, 27230619, 81691857]

約数ペア:

[(1, 81691857), (3, 27230619), (9, 9076873), (13, 6283989), (39, 2094663), (117, 698221), (229, 356733), (687, 118911), (2061, 39637), (2977, 27441), (3049, 26793), (8931, 9147)]