71382405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1783}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 121768704

約数和(自身を除く): 50386299

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 255, 471, 785, 1783, 2355, 2669, 5349, 8007, 8915, 13345, 26745, 30311, 40035, 90933, 151555, 279931, 454665, 839793, 1399655, 4198965, 4758827, 14276481, 23794135, 71382405]

約数ペア:

[(1, 71382405), (3, 23794135), (5, 14276481), (15, 4758827), (17, 4198965), (51, 1399655), (85, 839793), (157, 454665), (255, 279931), (471, 151555), (785, 90933), (1783, 40035), (2355, 30311), (2669, 26745), (5349, 13345), (8007, 8915)]