2009189763

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{4003}}^1$

素因数の和:4304

約数の個数: 48

約数和(自身を含む): 3437930496

約数和(自身を除く): 1428740733

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 257, 279, 651, 771, 1799, 1953, 2313, 4003, 5397, 7967, 12009, 16191, 23901, 28021, 36027, 55769, 71703, 84063, 124093, 167307, 252189, 372279, 501921, 868651, 1028771, 1116837, 2605953, 3086313, 7201397, 7817859, 9258939, 21604191, 31891901, 64812573, 95675703, 223243307, 287027109, 669729921, 2009189763]

約数ペア:

[(1, 2009189763), (3, 669729921), (7, 287027109), (9, 223243307), (21, 95675703), (31, 64812573), (63, 31891901), (93, 21604191), (217, 9258939), (257, 7817859), (279, 7201397), (651, 3086313), (771, 2605953), (1799, 1116837), (1953, 1028771), (2313, 868651), (4003, 501921), (5397, 372279), (7967, 252189), (12009, 167307), (16191, 124093), (23901, 84063), (28021, 71703), (36027, 55769)]