621382035

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1489}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 1019589120

約数和(自身を除く): 398207085

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 647, 1489, 1941, 3235, 4467, 7445, 9705, 22335, 27821, 64027, 83463, 139105, 192081, 320135, 417315, 960405, 963383, 2890149, 4816915, 14450745, 41425469, 124276407, 207127345, 621382035]

約数ペア:

[(1, 621382035), (3, 207127345), (5, 124276407), (15, 41425469), (43, 14450745), (129, 4816915), (215, 2890149), (645, 963383), (647, 960405), (1489, 417315), (1941, 320135), (3235, 192081), (4467, 139105), (7445, 83463), (9705, 64027), (22335, 27821)]