71653617

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 128593920

約数和(自身を除く): 56940303

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 589, 651, 1197, 1767, 1931, 1953, 4123, 5301, 5793, 12369, 13517, 17379, 36689, 37107, 40551, 59861, 110067, 121653, 179583, 256823, 330201, 419027, 538749, 770469, 1137359, 1257081, 2311407, 3412077, 3771243, 7961513, 10236231, 23884539, 71653617]

約数ペア:

[(1, 71653617), (3, 23884539), (7, 10236231), (9, 7961513), (19, 3771243), (21, 3412077), (31, 2311407), (57, 1257081), (63, 1137359), (93, 770469), (133, 538749), (171, 419027), (217, 330201), (279, 256823), (399, 179583), (589, 121653), (651, 110067), (1197, 59861), (1767, 40551), (1931, 37107), (1953, 36689), (4123, 17379), (5301, 13517), (5793, 12369)]