42799281

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 67411968

約数和(自身を除く): 24612687

約数列:

[1, 3, 7, 21, 47, 103, 141, 309, 329, 421, 721, 987, 1263, 2163, 2947, 4841, 8841, 14523, 19787, 33887, 43363, 59361, 101661, 130089, 138509, 303541, 415527, 910623, 2038061, 6114183, 14266427, 42799281]

約数ペア:

[(1, 42799281), (3, 14266427), (7, 6114183), (21, 2038061), (47, 910623), (103, 415527), (141, 303541), (309, 138509), (329, 130089), (421, 101661), (721, 59361), (987, 43363), (1263, 33887), (2163, 19787), (2947, 14523), (4841, 8841)]