918669969

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{1277}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 1600260480

約数和(自身を除く): 681590511

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 601, 1197, 1277, 1803, 3831, 4207, 5409, 8939, 11419, 11493, 12621, 24263, 26817, 34257, 37863, 72789, 79933, 80451, 102771, 169841, 218367, 239799, 509523, 719397, 767477, 1528569, 2302431, 5372339, 6907293, 14582063, 16117017, 43746189, 48351051, 102074441, 131238567, 306223323, 918669969]

約数ペア:

[(1, 918669969), (3, 306223323), (7, 131238567), (9, 102074441), (19, 48351051), (21, 43746189), (57, 16117017), (63, 14582063), (133, 6907293), (171, 5372339), (399, 2302431), (601, 1528569), (1197, 767477), (1277, 719397), (1803, 509523), (3831, 239799), (4207, 218367), (5409, 169841), (8939, 102771), (11419, 80451), (11493, 79933), (12621, 72789), (24263, 37863), (26817, 34257)]