201512157

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 360192000

約数和(自身を除く): 158679843

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 343, 399, 539, 627, 931, 937, 1029, 1463, 1617, 2793, 2811, 3773, 4389, 6517, 6559, 10241, 10307, 11319, 17803, 19551, 19677, 30723, 30921, 45913, 53409, 71687, 72149, 124621, 137739, 195833, 215061, 216447, 321391, 373863, 505043, 587499, 872347, 964173, 1370831, 1515129, 2617041, 3535301, 4112493, 6106429, 9595817, 10605903, 18319287, 28787451, 67170719, 201512157]

約数ペア:

[(1, 201512157), (3, 67170719), (7, 28787451), (11, 18319287), (19, 10605903), (21, 9595817), (33, 6106429), (49, 4112493), (57, 3535301), (77, 2617041), (133, 1515129), (147, 1370831), (209, 964173), (231, 872347), (343, 587499), (399, 505043), (539, 373863), (627, 321391), (931, 216447), (937, 215061), (1029, 195833), (1463, 137739), (1617, 124621), (2793, 72149), (2811, 71687), (3773, 53409), (4389, 45913), (6517, 30921), (6559, 30723), (10241, 19677), (10307, 19551), (11319, 17803)]