81239487

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 126615552

約数和(自身を除く): 45376065

約数列:

[1, 3, 7, 21, 83, 127, 249, 367, 381, 581, 889, 1101, 1743, 2569, 2667, 7707, 10541, 30461, 31623, 46609, 73787, 91383, 139827, 213227, 221361, 326263, 639681, 978789, 3868547, 11605641, 27079829, 81239487]

約数ペア:

[(1, 81239487), (3, 27079829), (7, 11605641), (21, 3868547), (83, 978789), (127, 639681), (249, 326263), (367, 221361), (381, 213227), (581, 139827), (889, 91383), (1101, 73787), (1743, 46609), (2569, 31623), (2667, 30461), (7707, 10541)]