74665845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 135412992

約数和(自身を除く): 60747147

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 821, 1935, 2021, 2115, 2463, 4105, 6063, 7389, 10105, 12315, 18189, 30315, 35303, 36945, 38587, 90945, 105909, 115761, 176515, 192935, 317727, 347283, 529545, 578805, 1588635, 1659241, 1736415, 4977723, 8296205, 14933169, 24888615, 74665845]

約数ペア:

[(1, 74665845), (3, 24888615), (5, 14933169), (9, 8296205), (15, 4977723), (43, 1736415), (45, 1659241), (47, 1588635), (129, 578805), (141, 529545), (215, 347283), (235, 317727), (387, 192935), (423, 176515), (645, 115761), (705, 105909), (821, 90945), (1935, 38587), (2021, 36945), (2115, 35303), (2463, 30315), (4105, 18189), (6063, 12315), (7389, 10105)]