213472233

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1487}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 341644800

約数和(自身を除く): 128172567

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 409, 1227, 1487, 3681, 4461, 5317, 11043, 13383, 15951, 19331, 40149, 47853, 57993, 143559, 173979, 521937, 608183, 1824549, 5473647, 7906379, 16420941, 23719137, 71157411, 213472233]

約数ペア:

[(1, 213472233), (3, 71157411), (9, 23719137), (13, 16420941), (27, 7906379), (39, 5473647), (117, 1824549), (351, 608183), (409, 521937), (1227, 173979), (1487, 143559), (3681, 57993), (4461, 47853), (5317, 40149), (11043, 19331), (13383, 15951)]