78297309

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6545

約数の個数: 24

約数和(自身を含む): 120744000

約数和(自身を除く): 42446691

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 6449, 12141, 19347, 58041, 122531, 367593, 457879, 1102779, 1373637, 4120911, 8699701, 26099103, 78297309]

約数ペア:

[(1, 78297309), (3, 26099103), (9, 8699701), (19, 4120911), (57, 1373637), (71, 1102779), (171, 457879), (213, 367593), (639, 122531), (1349, 58041), (4047, 19347), (6449, 12141)]