128966319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2161}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 196742000

約数和(自身を除く): 67775681

約数列:

[1, 3, 9, 19, 57, 171, 349, 1047, 2161, 3141, 6483, 6631, 19449, 19893, 41059, 59679, 123177, 369531, 754189, 2262567, 6787701, 14329591, 42988773, 128966319]

約数ペア:

[(1, 128966319), (3, 42988773), (9, 14329591), (19, 6787701), (57, 2262567), (171, 754189), (349, 369531), (1047, 123177), (2161, 59679), (3141, 41059), (6483, 19893), (6631, 19449)]