13019985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 25496640

約数和(自身を除く): 12476655

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 907, 957, 1305, 1595, 2721, 2871, 4535, 4785, 8163, 9977, 13605, 14355, 26303, 29931, 40815, 49885, 78909, 89793, 131515, 149655, 236727, 289333, 394545, 448965, 867999, 1183635, 1446665, 2603997, 4339995, 13019985]

約数ペア:

[(1, 13019985), (3, 4339995), (5, 2603997), (9, 1446665), (11, 1183635), (15, 867999), (29, 448965), (33, 394545), (45, 289333), (55, 236727), (87, 149655), (99, 131515), (145, 89793), (165, 78909), (261, 49885), (319, 40815), (435, 29931), (495, 26303), (907, 14355), (957, 13605), (1305, 9977), (1595, 8163), (2721, 4785), (2871, 4535)]