2175439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 2673216

約数和(自身を除く): 497777

約数列:

[1, 7, 17, 101, 119, 181, 707, 1267, 1717, 3077, 12019, 18281, 21539, 127967, 310777, 2175439]

約数ペア:

[(1, 2175439), (7, 310777), (17, 127967), (101, 21539), (119, 18281), (181, 12019), (707, 3077), (1267, 1717)]