16989973

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 22999424

約数和(自身を除く): 6009451

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1543, 1573, 10801, 11011, 16973, 20059, 118811, 140413, 186703, 220649, 1306921, 1544543, 2427139, 16989973]

約数ペア:

[(1, 16989973), (7, 2427139), (11, 1544543), (13, 1306921), (77, 220649), (91, 186703), (121, 140413), (143, 118811), (847, 20059), (1001, 16973), (1543, 11011), (1573, 10801)]