243787467

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2713}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 406448640

約数和(自身を除く): 162661173

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 389, 1167, 2713, 2723, 4279, 8139, 8169, 12837, 18991, 29843, 29953, 56973, 89529, 89859, 208901, 626703, 1055357, 3166071, 7387499, 11608927, 22162497, 34826781, 81262489, 243787467]

約数ペア:

[(1, 243787467), (3, 81262489), (7, 34826781), (11, 22162497), (21, 11608927), (33, 7387499), (77, 3166071), (231, 1055357), (389, 626703), (1167, 208901), (2713, 89859), (2723, 89529), (4279, 56973), (8139, 29953), (8169, 29843), (12837, 18991)]