199927785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3919}}^1$

素因数の和:4125

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 138760215

約数列:

[1, 3, 5, 15, 19, 57, 95, 179, 285, 537, 895, 2685, 3401, 3919, 10203, 11757, 17005, 19595, 51015, 58785, 74461, 223383, 372305, 701501, 1116915, 2104503, 3507505, 10522515, 13328519, 39985557, 66642595, 199927785]

約数ペア:

[(1, 199927785), (3, 66642595), (5, 39985557), (15, 13328519), (19, 10522515), (57, 3507505), (95, 2104503), (179, 1116915), (285, 701501), (537, 372305), (895, 223383), (2685, 74461), (3401, 58785), (3919, 51015), (10203, 19595), (11757, 17005)]