1337888979

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{1499}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 2286336000

約数和(自身を除く): 948447021

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 457, 651, 1371, 1499, 1953, 3199, 4113, 4497, 9597, 10493, 13491, 14167, 28791, 31479, 42501, 46469, 94437, 99169, 127503, 139407, 297507, 325283, 418221, 685043, 892521, 975849, 2055129, 2927547, 4795301, 6165387, 14385903, 21236333, 43157709, 63708999, 148654331, 191126997, 445962993, 1337888979]

約数ペア:

[(1, 1337888979), (3, 445962993), (7, 191126997), (9, 148654331), (21, 63708999), (31, 43157709), (63, 21236333), (93, 14385903), (217, 6165387), (279, 4795301), (457, 2927547), (651, 2055129), (1371, 975849), (1499, 892521), (1953, 685043), (3199, 418221), (4113, 325283), (4497, 297507), (9597, 139407), (10493, 127503), (13491, 99169), (14167, 94437), (28791, 46469), (31479, 42501)]