31465539

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 55444480

約数和(自身を除く): 23978941

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 271, 291, 399, 679, 813, 873, 1197, 1843, 1897, 2037, 2439, 5149, 5529, 5691, 6111, 12901, 15447, 16587, 17073, 26287, 36043, 38703, 46341, 78861, 108129, 116109, 184009, 236583, 324387, 499453, 552027, 1498359, 1656081, 3496171, 4495077, 10488513, 31465539]

約数ペア:

[(1, 31465539), (3, 10488513), (7, 4495077), (9, 3496171), (19, 1656081), (21, 1498359), (57, 552027), (63, 499453), (97, 324387), (133, 236583), (171, 184009), (271, 116109), (291, 108129), (399, 78861), (679, 46341), (813, 38703), (873, 36043), (1197, 26287), (1843, 17073), (1897, 16587), (2037, 15447), (2439, 12901), (5149, 6111), (5529, 5691)]