16431561

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 25145120

約数和(自身を除く): 8713559

約数列:

[1, 3, 9, 19, 57, 171, 307, 313, 921, 939, 2763, 2817, 5833, 5947, 17499, 17841, 52497, 53523, 96091, 288273, 864819, 1825729, 5477187, 16431561]

約数ペア:

[(1, 16431561), (3, 5477187), (9, 1825729), (19, 864819), (57, 288273), (171, 96091), (307, 53523), (313, 52497), (921, 17841), (939, 17499), (2763, 5947), (2817, 5833)]