9978507

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 19526832

約数和(自身を除く): 9548325

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 121, 147, 153, 187, 231, 357, 363, 441, 539, 561, 693, 833, 847, 1071, 1089, 1309, 1331, 1617, 1683, 2057, 2499, 2541, 3927, 3993, 4851, 5929, 6171, 7497, 7623, 9163, 9317, 11781, 11979, 14399, 17787, 18513, 22627, 27489, 27951, 43197, 53361, 65219, 67881, 82467, 83853, 100793, 129591, 158389, 195657, 203643, 302379, 475167, 586971, 907137, 1108723, 1425501, 3326169, 9978507]

約数ペア:

[(1, 9978507), (3, 3326169), (7, 1425501), (9, 1108723), (11, 907137), (17, 586971), (21, 475167), (33, 302379), (49, 203643), (51, 195657), (63, 158389), (77, 129591), (99, 100793), (119, 83853), (121, 82467), (147, 67881), (153, 65219), (187, 53361), (231, 43197), (357, 27951), (363, 27489), (441, 22627), (539, 18513), (561, 17787), (693, 14399), (833, 11979), (847, 11781), (1071, 9317), (1089, 9163), (1309, 7623), (1331, 7497), (1617, 6171), (1683, 5929), (2057, 4851), (2499, 3993), (2541, 3927)]