28183533

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 46717440

約数和(自身を除く): 18533907

約数列:

[1, 3, 7, 21, 23, 43, 59, 69, 129, 161, 177, 301, 413, 483, 529, 903, 989, 1239, 1357, 1587, 2537, 2967, 3703, 4071, 6923, 7611, 9499, 11109, 17759, 20769, 22747, 28497, 31211, 53277, 58351, 68241, 93633, 159229, 175053, 218477, 408457, 477687, 655431, 1225371, 1342073, 4026219, 9394511, 28183533]

約数ペア:

[(1, 28183533), (3, 9394511), (7, 4026219), (21, 1342073), (23, 1225371), (43, 655431), (59, 477687), (69, 408457), (129, 218477), (161, 175053), (177, 159229), (301, 93633), (413, 68241), (483, 58351), (529, 53277), (903, 31211), (989, 28497), (1239, 22747), (1357, 20769), (1587, 17759), (2537, 11109), (2967, 9499), (3703, 7611), (4071, 6923)]