72912345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2711}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 128093184

約数和(自身を除く): 55180839

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 815, 1793, 2445, 2711, 5379, 8133, 8965, 13555, 26895, 29821, 40665, 89463, 149105, 441893, 447315, 1325679, 2209465, 4860823, 6628395, 14582469, 24304115, 72912345]

約数ペア:

[(1, 72912345), (3, 24304115), (5, 14582469), (11, 6628395), (15, 4860823), (33, 2209465), (55, 1325679), (163, 447315), (165, 441893), (489, 149105), (815, 89463), (1793, 40665), (2445, 29821), (2711, 26895), (5379, 13555), (8133, 8965)]