201212109

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 353134080

約数和(自身を除く): 151921971

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 171, 321, 399, 749, 963, 1197, 1571, 2033, 2247, 4713, 6099, 6741, 10997, 14139, 14231, 18297, 29849, 32991, 42693, 89547, 98973, 128079, 168097, 208943, 268641, 504291, 626829, 1176679, 1512873, 1880487, 3193843, 3530037, 9581529, 10590111, 22356901, 28744587, 67070703, 201212109]

約数ペア:

[(1, 201212109), (3, 67070703), (7, 28744587), (9, 22356901), (19, 10590111), (21, 9581529), (57, 3530037), (63, 3193843), (107, 1880487), (133, 1512873), (171, 1176679), (321, 626829), (399, 504291), (749, 268641), (963, 208943), (1197, 168097), (1571, 128079), (2033, 98973), (2247, 89547), (4713, 42693), (6099, 32991), (6741, 29849), (10997, 18297), (14139, 14231)]