15993957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 10216347

約数列:

[1, 3, 7, 17, 21, 51, 71, 119, 213, 357, 497, 631, 1207, 1491, 1893, 3621, 4417, 8449, 10727, 13251, 25347, 32181, 44801, 75089, 134403, 225267, 313607, 761617, 940821, 2284851, 5331319, 15993957]

約数ペア:

[(1, 15993957), (3, 5331319), (7, 2284851), (17, 940821), (21, 761617), (51, 313607), (71, 225267), (119, 134403), (213, 75089), (357, 44801), (497, 32181), (631, 25347), (1207, 13251), (1491, 10727), (1893, 8449), (3621, 4417)]