28140519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{8443}}^1$

素因数の和:8558

約数の個数: 16

約数和(自身を含む): 41341824

約数和(自身を除く): 13201305

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 8443, 25329, 92873, 278619, 852743, 2558229, 9380173, 28140519]

約数ペア:

[(1, 28140519), (3, 9380173), (11, 2558229), (33, 852743), (101, 278619), (303, 92873), (1111, 25329), (3333, 8443)]