81634425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 146329920

約数和(自身を除く): 64695495

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 425, 645, 731, 1075, 1275, 1489, 2193, 3225, 3655, 4467, 7445, 10965, 18275, 22335, 25313, 37225, 54825, 64027, 75939, 111675, 126565, 192081, 320135, 379695, 632825, 960405, 1088459, 1600675, 1898475, 3265377, 4802025, 5442295, 16326885, 27211475, 81634425]

約数ペア:

[(1, 81634425), (3, 27211475), (5, 16326885), (15, 5442295), (17, 4802025), (25, 3265377), (43, 1898475), (51, 1600675), (75, 1088459), (85, 960405), (129, 632825), (215, 379695), (255, 320135), (425, 192081), (645, 126565), (731, 111675), (1075, 75939), (1275, 64027), (1489, 54825), (2193, 37225), (3225, 25313), (3655, 22335), (4467, 18275), (7445, 10965)]