28713123

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 45395200

約数和(自身を除く): 16682077

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 691, 729, 1539, 2073, 2187, 4617, 6219, 13129, 13851, 18657, 39387, 41553, 55971, 118161, 167913, 354483, 503739, 1063449, 1511217, 3190347, 9571041, 28713123]

約数ペア:

[(1, 28713123), (3, 9571041), (9, 3190347), (19, 1511217), (27, 1063449), (57, 503739), (81, 354483), (171, 167913), (243, 118161), (513, 55971), (691, 41553), (729, 39387), (1539, 18657), (2073, 13851), (2187, 13129), (4617, 6219)]