199901871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1487}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 319979520

約数和(自身を除く): 120077649

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 383, 1149, 1487, 3447, 4461, 4979, 10341, 13383, 14937, 19331, 40149, 44811, 57993, 134433, 173979, 521937, 569521, 1708563, 5125689, 7403773, 15377067, 22211319, 66633957, 199901871]

約数ペア:

[(1, 199901871), (3, 66633957), (9, 22211319), (13, 15377067), (27, 7403773), (39, 5125689), (117, 1708563), (351, 569521), (383, 521937), (1149, 173979), (1487, 134433), (3447, 57993), (4461, 44811), (4979, 40149), (10341, 19331), (13383, 14937)]