27939891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 45854208

約数和(自身を除く): 17914317

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 1283, 3111, 3849, 7259, 8981, 21777, 21811, 26943, 65433, 78263, 152677, 234789, 458031, 547841, 1330471, 1643523, 3991413, 9313297, 27939891]

約数ペア:

[(1, 27939891), (3, 9313297), (7, 3991413), (17, 1643523), (21, 1330471), (51, 547841), (61, 458031), (119, 234789), (183, 152677), (357, 78263), (427, 65433), (1037, 26943), (1281, 21811), (1283, 21777), (3111, 8981), (3849, 7259)]