81900306

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:635

約数の個数: 48

約数和(自身を含む): 181483224

約数和(自身を除く): 99582918

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 157, 219, 314, 397, 438, 471, 657, 794, 942, 1191, 1314, 1413, 2382, 2826, 3573, 7146, 11461, 22922, 28981, 34383, 57962, 62329, 68766, 86943, 103149, 124658, 173886, 186987, 206298, 260829, 373974, 521658, 560961, 1121922, 4550017, 9100034, 13650051, 27300102, 40950153, 81900306]

約数ペア:

[(1, 81900306), (2, 40950153), (3, 27300102), (6, 13650051), (9, 9100034), (18, 4550017), (73, 1121922), (146, 560961), (157, 521658), (219, 373974), (314, 260829), (397, 206298), (438, 186987), (471, 173886), (657, 124658), (794, 103149), (942, 86943), (1191, 68766), (1314, 62329), (1413, 57962), (2382, 34383), (2826, 28981), (3573, 22922), (7146, 11461)]