1311220287

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 2070563040

約数和(自身を除く): 759342753

約数列:

[1, 3, 9, 13, 39, 117, 137, 179, 411, 457, 537, 1233, 1371, 1611, 1781, 2327, 4113, 5343, 5941, 6981, 16029, 17823, 20943, 24523, 53469, 62609, 73569, 81803, 187827, 220707, 245409, 318799, 563481, 736227, 813917, 956397, 1063439, 2441751, 2869191, 3190317, 7325253, 9570951, 11207011, 33621033, 100863099, 145691143, 437073429, 1311220287]

約数ペア:

[(1, 1311220287), (3, 437073429), (9, 145691143), (13, 100863099), (39, 33621033), (117, 11207011), (137, 9570951), (179, 7325253), (411, 3190317), (457, 2869191), (537, 2441751), (1233, 1063439), (1371, 956397), (1611, 813917), (1781, 736227), (2327, 563481), (4113, 318799), (5343, 245409), (5941, 220707), (6981, 187827), (16029, 81803), (17823, 73569), (20943, 62609), (24523, 53469)]