138668847

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 207954432

約数和(自身を除く): 69285585

約数列:

[1, 3, 17, 41, 47, 51, 83, 123, 141, 249, 289, 697, 799, 867, 1411, 1927, 2091, 2397, 3403, 3901, 4233, 5781, 10209, 11703, 11849, 13583, 23987, 32759, 35547, 40749, 57851, 66317, 71961, 98277, 159941, 173553, 198951, 479823, 556903, 983467, 1127389, 1670709, 2718997, 2950401, 3382167, 8156991, 46222949, 138668847]

約数ペア:

[(1, 138668847), (3, 46222949), (17, 8156991), (41, 3382167), (47, 2950401), (51, 2718997), (83, 1670709), (123, 1127389), (141, 983467), (249, 556903), (289, 479823), (697, 198951), (799, 173553), (867, 159941), (1411, 98277), (1927, 71961), (2091, 66317), (2397, 57851), (3403, 40749), (3901, 35547), (4233, 32759), (5781, 23987), (10209, 13583), (11703, 11849)]