31437021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 55996416

約数和(自身を除く): 24559395

約数列:

[1, 3, 7, 11, 21, 23, 33, 61, 69, 77, 97, 161, 183, 231, 253, 291, 427, 483, 671, 679, 759, 1067, 1281, 1403, 1771, 2013, 2037, 2231, 3201, 4209, 4697, 5313, 5917, 6693, 7469, 9821, 14091, 15433, 15617, 17751, 22407, 24541, 29463, 41419, 46299, 46851, 65087, 73623, 108031, 124257, 136091, 171787, 195261, 324093, 408273, 455609, 515361, 952637, 1366827, 1497001, 2857911, 4491003, 10479007, 31437021]

約数ペア:

[(1, 31437021), (3, 10479007), (7, 4491003), (11, 2857911), (21, 1497001), (23, 1366827), (33, 952637), (61, 515361), (69, 455609), (77, 408273), (97, 324093), (161, 195261), (183, 171787), (231, 136091), (253, 124257), (291, 108031), (427, 73623), (483, 65087), (671, 46851), (679, 46299), (759, 41419), (1067, 29463), (1281, 24541), (1403, 22407), (1771, 17751), (2013, 15617), (2037, 15433), (2231, 14091), (3201, 9821), (4209, 7469), (4697, 6693), (5313, 5917)]