489767541

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 704471040

約数和(自身を除く): 214703499

約数列:

[1, 3, 19, 53, 57, 159, 223, 669, 727, 1007, 2181, 3021, 4237, 11819, 12711, 13813, 35457, 38531, 41439, 115593, 162121, 224561, 486363, 673683, 732089, 2196267, 3080299, 8592413, 9240897, 25777239, 163255847, 489767541]

約数ペア:

[(1, 489767541), (3, 163255847), (19, 25777239), (53, 9240897), (57, 8592413), (159, 3080299), (223, 2196267), (669, 732089), (727, 673683), (1007, 486363), (2181, 224561), (3021, 162121), (4237, 115593), (11819, 41439), (12711, 38531), (13813, 35457)]