61357821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1493}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 99440640

約数和(自身を除く): 38082819

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1493, 1957, 2163, 4479, 5871, 10451, 13699, 28367, 31353, 41097, 85101, 153779, 198569, 461337, 595707, 1076453, 2921801, 3229359, 8765403, 20452607, 61357821]

約数ペア:

[(1, 61357821), (3, 20452607), (7, 8765403), (19, 3229359), (21, 2921801), (57, 1076453), (103, 595707), (133, 461337), (309, 198569), (399, 153779), (721, 85101), (1493, 41097), (1957, 31353), (2163, 28367), (4479, 13699), (5871, 10451)]