31640367

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 48052224

約数和(自身を除く): 16411857

約数列:

[1, 3, 11, 31, 33, 93, 157, 197, 341, 471, 591, 1023, 1727, 2167, 4867, 5181, 6107, 6501, 14601, 18321, 30929, 53537, 67177, 92787, 160611, 201531, 340219, 958799, 1020657, 2876397, 10546789, 31640367]

約数ペア:

[(1, 31640367), (3, 10546789), (11, 2876397), (31, 1020657), (33, 958799), (93, 340219), (157, 201531), (197, 160611), (341, 92787), (471, 67177), (591, 53537), (1023, 30929), (1727, 18321), (2167, 14601), (4867, 6501), (5181, 6107)]