81534921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{72091}}^1$

素因数の和:72136

約数の個数: 16

約数和(自身を含む): 121114560

約数和(自身を除く): 39579639

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 72091, 216273, 937183, 2090639, 2811549, 6271917, 27178307, 81534921]

約数ペア:

[(1, 81534921), (3, 27178307), (13, 6271917), (29, 2811549), (39, 2090639), (87, 937183), (377, 216273), (1131, 72091)]