31585827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 23571933

約数列:

[1, 3, 7, 13, 21, 37, 39, 53, 59, 91, 111, 159, 177, 259, 273, 371, 413, 481, 689, 767, 777, 1113, 1239, 1443, 1961, 2067, 2183, 2301, 3127, 3367, 4823, 5369, 5883, 6549, 9381, 10101, 13727, 14469, 15281, 16107, 21889, 25493, 28379, 40651, 41181, 45843, 65667, 76479, 85137, 115699, 121953, 178451, 198653, 284557, 347097, 535353, 595959, 809893, 853671, 1504087, 2429679, 4512261, 10528609, 31585827]

約数ペア:

[(1, 31585827), (3, 10528609), (7, 4512261), (13, 2429679), (21, 1504087), (37, 853671), (39, 809893), (53, 595959), (59, 535353), (91, 347097), (111, 284557), (159, 198653), (177, 178451), (259, 121953), (273, 115699), (371, 85137), (413, 76479), (481, 65667), (689, 45843), (767, 41181), (777, 40651), (1113, 28379), (1239, 25493), (1443, 21889), (1961, 16107), (2067, 15281), (2183, 14469), (2301, 13727), (3127, 10101), (3367, 9381), (4823, 6549), (5369, 5883)]