15691621281

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{1187}}^1$

素因数の和:1683

約数の個数: 64

約数和(自身を含む): 25318656000

約数和(自身を除く): 9627034719

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 443, 609, 1029, 1187, 1329, 1421, 3101, 3561, 4263, 8309, 9303, 9947, 12847, 21707, 24927, 29841, 34423, 38541, 58163, 65121, 89929, 103269, 151949, 174489, 240961, 269787, 407141, 455847, 525841, 629503, 722883, 1221423, 1577523, 1686727, 1888509, 3680887, 4406521, 5060181, 11042661, 11807089, 13219563, 15249389, 25766209, 35421267, 45748167, 77298627, 106745723, 180363463, 320237169, 541090389, 747220061, 2241660183, 5230540427, 15691621281]

約数ペア:

[(1, 15691621281), (3, 5230540427), (7, 2241660183), (21, 747220061), (29, 541090389), (49, 320237169), (87, 180363463), (147, 106745723), (203, 77298627), (343, 45748167), (443, 35421267), (609, 25766209), (1029, 15249389), (1187, 13219563), (1329, 11807089), (1421, 11042661), (3101, 5060181), (3561, 4406521), (4263, 3680887), (8309, 1888509), (9303, 1686727), (9947, 1577523), (12847, 1221423), (21707, 722883), (24927, 629503), (29841, 525841), (34423, 455847), (38541, 407141), (58163, 269787), (65121, 240961), (89929, 174489), (103269, 151949)]