31332987

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 54297056

約数和(自身を除く): 22964069

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 757, 1533, 1971, 2271, 4599, 5299, 5913, 6813, 13797, 15897, 20439, 41391, 47691, 55261, 61317, 143073, 165783, 386827, 429219, 497349, 1160481, 1492047, 3481443, 4476141, 10444329, 31332987]

約数ペア:

[(1, 31332987), (3, 10444329), (7, 4476141), (9, 3481443), (21, 1492047), (27, 1160481), (63, 497349), (73, 429219), (81, 386827), (189, 165783), (219, 143073), (511, 61317), (567, 55261), (657, 47691), (757, 41391), (1533, 20439), (1971, 15897), (2271, 13797), (4599, 6813), (5299, 5913)]