31709769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2833}}^1$

素因数の和:2897

約数の個数: 32

約数和(自身を含む): 53324544

約数和(自身を除く): 21614775

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 2833, 3731, 8499, 11193, 19831, 36829, 59493, 110487, 116153, 257803, 348459, 773409, 813071, 1509989, 2439213, 4529967, 10569923, 31709769]

約数ペア:

[(1, 31709769), (3, 10569923), (7, 4529967), (13, 2439213), (21, 1509989), (39, 813071), (41, 773409), (91, 348459), (123, 257803), (273, 116153), (287, 110487), (533, 59493), (861, 36829), (1599, 19831), (2833, 11193), (3731, 8499)]