51509031

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 83727360

約数和(自身を除く): 32218329

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 919, 1099, 2669, 2757, 3297, 6433, 8007, 15623, 18683, 19299, 46869, 56049, 109361, 144283, 328083, 432849, 1009981, 2452811, 3029943, 7358433, 17169677, 51509031]

約数ペア:

[(1, 51509031), (3, 17169677), (7, 7358433), (17, 3029943), (21, 2452811), (51, 1009981), (119, 432849), (157, 328083), (357, 144283), (471, 109361), (919, 56049), (1099, 46869), (2669, 19299), (2757, 18683), (3297, 15623), (6433, 8007)]