71071905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 46017375

約数列:

[1, 3, 5, 15, 43, 129, 215, 251, 439, 645, 753, 1255, 1317, 2195, 3765, 6585, 10793, 18877, 32379, 53965, 56631, 94385, 110189, 161895, 283155, 330567, 550945, 1652835, 4738127, 14214381, 23690635, 71071905]

約数ペア:

[(1, 71071905), (3, 23690635), (5, 14214381), (15, 4738127), (43, 1652835), (129, 550945), (215, 330567), (251, 283155), (439, 161895), (645, 110189), (753, 94385), (1255, 56631), (1317, 53965), (2195, 32379), (3765, 18877), (6585, 10793)]