40198815

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1559}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 71884800

約数和(自身を除く): 31685985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 955, 1559, 1719, 2865, 4677, 5157, 7795, 8595, 14031, 23385, 25785, 42093, 70155, 210465, 297769, 893307, 1488845, 2679921, 4466535, 8039763, 13399605, 40198815]

約数ペア:

[(1, 40198815), (3, 13399605), (5, 8039763), (9, 4466535), (15, 2679921), (27, 1488845), (45, 893307), (135, 297769), (191, 210465), (573, 70155), (955, 42093), (1559, 25785), (1719, 23385), (2865, 14031), (4677, 8595), (5157, 7795)]