31669827

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 59097600

約数和(自身を除く): 27427773

約数列:

[1, 3, 7, 17, 19, 21, 23, 29, 49, 51, 57, 69, 87, 119, 133, 147, 161, 203, 323, 357, 391, 399, 437, 483, 493, 551, 609, 667, 833, 931, 969, 1127, 1173, 1311, 1421, 1479, 1653, 2001, 2261, 2499, 2737, 2793, 3059, 3381, 3451, 3857, 4263, 4669, 6783, 7429, 8211, 9177, 9367, 10353, 11339, 11571, 12673, 14007, 15827, 19159, 21413, 22287, 24157, 26999, 28101, 32683, 34017, 38019, 47481, 52003, 57477, 64239, 65569, 72471, 79373, 80997, 88711, 98049, 156009, 196707, 215441, 238119, 266133, 364021, 458983, 555611, 620977, 646323, 1092063, 1376949, 1508087, 1666833, 1862931, 4524261, 10556609, 31669827]

約数ペア:

[(1, 31669827), (3, 10556609), (7, 4524261), (17, 1862931), (19, 1666833), (21, 1508087), (23, 1376949), (29, 1092063), (49, 646323), (51, 620977), (57, 555611), (69, 458983), (87, 364021), (119, 266133), (133, 238119), (147, 215441), (161, 196707), (203, 156009), (323, 98049), (357, 88711), (391, 80997), (399, 79373), (437, 72471), (483, 65569), (493, 64239), (551, 57477), (609, 52003), (667, 47481), (833, 38019), (931, 34017), (969, 32683), (1127, 28101), (1173, 26999), (1311, 24157), (1421, 22287), (1479, 21413), (1653, 19159), (2001, 15827), (2261, 14007), (2499, 12673), (2737, 11571), (2793, 11339), (3059, 10353), (3381, 9367), (3451, 9177), (3857, 8211), (4263, 7429), (4669, 6783)]