199153929

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2293}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 305230464

約数和(自身を除く): 106076535

約数列:

[1, 3, 13, 17, 39, 51, 131, 221, 393, 663, 1703, 2227, 2293, 5109, 6681, 6879, 28951, 29809, 38981, 86853, 89427, 116943, 300383, 506753, 901149, 1520259, 3904979, 5106511, 11714937, 15319533, 66384643, 199153929]

約数ペア:

[(1, 199153929), (3, 66384643), (13, 15319533), (17, 11714937), (39, 5106511), (51, 3904979), (131, 1520259), (221, 901149), (393, 506753), (663, 300383), (1703, 116943), (2227, 89427), (2293, 86853), (5109, 38981), (6681, 29809), (6879, 28951)]