25117449

素因数分解:

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

素因数の和:99

約数の個数: 72

約数和(自身を含む): 45390240

約数和(自身を除く): 20272791

約数列:

[1, 3, 7, 17, 19, 21, 23, 49, 51, 57, 69, 119, 133, 147, 161, 323, 357, 391, 399, 437, 483, 529, 833, 931, 969, 1127, 1173, 1311, 1587, 2261, 2499, 2737, 2793, 3059, 3381, 3703, 6783, 7429, 8211, 8993, 9177, 10051, 11109, 15827, 19159, 21413, 22287, 25921, 26979, 30153, 47481, 52003, 57477, 62951, 64239, 70357, 77763, 156009, 170867, 188853, 211071, 364021, 440657, 492499, 512601, 1092063, 1196069, 1321971, 1477497, 3588207, 8372483, 25117449]

約数ペア:

[(1, 25117449), (3, 8372483), (7, 3588207), (17, 1477497), (19, 1321971), (21, 1196069), (23, 1092063), (49, 512601), (51, 492499), (57, 440657), (69, 364021), (119, 211071), (133, 188853), (147, 170867), (161, 156009), (323, 77763), (357, 70357), (391, 64239), (399, 62951), (437, 57477), (483, 52003), (529, 47481), (833, 30153), (931, 26979), (969, 25921), (1127, 22287), (1173, 21413), (1311, 19159), (1587, 15827), (2261, 11109), (2499, 10051), (2737, 9177), (2793, 8993), (3059, 8211), (3381, 7429), (3703, 6783)]