489979011

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2883

約数の個数: 32

約数和(自身を含む): 712800000

約数和(自身を除く): 222820989

約数列:

[1, 3, 19, 53, 57, 59, 159, 177, 1007, 1121, 2749, 3021, 3127, 3363, 8247, 9381, 52231, 59413, 145697, 156693, 162191, 178239, 437091, 486573, 2768243, 3081629, 8304729, 8596123, 9244887, 25788369, 163326337, 489979011]

約数ペア:

[(1, 489979011), (3, 163326337), (19, 25788369), (53, 9244887), (57, 8596123), (59, 8304729), (159, 3081629), (177, 2768243), (1007, 486573), (1121, 437091), (2749, 178239), (3021, 162191), (3127, 156693), (3363, 145697), (8247, 59413), (9381, 52231)]