489245877

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 768268800

約数和(自身を除く): 279022923

約数列:

[1, 3, 9, 19, 57, 59, 71, 171, 177, 213, 531, 639, 683, 1121, 1349, 2049, 3363, 4047, 4189, 6147, 10089, 12141, 12567, 12977, 37701, 38931, 40297, 48493, 79591, 116793, 120891, 145479, 238773, 362673, 436437, 716319, 765643, 921367, 2296929, 2764101, 2861087, 6890787, 8292303, 8583261, 25749783, 54360653, 163081959, 489245877]

約数ペア:

[(1, 489245877), (3, 163081959), (9, 54360653), (19, 25749783), (57, 8583261), (59, 8292303), (71, 6890787), (171, 2861087), (177, 2764101), (213, 2296929), (531, 921367), (639, 765643), (683, 716319), (1121, 436437), (1349, 362673), (2049, 238773), (3363, 145479), (4047, 120891), (4189, 116793), (6147, 79591), (10089, 48493), (12141, 40297), (12567, 38931), (12977, 37701)]