31027437

素因数分解:

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

素因数の和:92

約数の個数: 72

約数和(自身を含む): 57512000

約数和(自身を除く): 26484563

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 147, 161, 171, 207, 343, 399, 437, 441, 483, 529, 931, 1029, 1127, 1197, 1311, 1449, 1587, 2793, 3059, 3087, 3381, 3703, 3933, 4761, 6517, 7889, 8379, 9177, 10051, 10143, 11109, 19551, 21413, 23667, 25921, 27531, 30153, 33327, 58653, 64239, 70357, 71001, 77763, 90459, 149891, 181447, 192717, 211071, 233289, 449673, 492499, 544341, 633213, 1349019, 1477497, 1633023, 3447493, 4432491, 10342479, 31027437]

約数ペア:

[(1, 31027437), (3, 10342479), (7, 4432491), (9, 3447493), (19, 1633023), (21, 1477497), (23, 1349019), (49, 633213), (57, 544341), (63, 492499), (69, 449673), (133, 233289), (147, 211071), (161, 192717), (171, 181447), (207, 149891), (343, 90459), (399, 77763), (437, 71001), (441, 70357), (483, 64239), (529, 58653), (931, 33327), (1029, 30153), (1127, 27531), (1197, 25921), (1311, 23667), (1449, 21413), (1587, 19551), (2793, 11109), (3059, 10143), (3087, 10051), (3381, 9177), (3703, 8379), (3933, 7889), (4761, 6517)]