16509561

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 23464896

約数和(自身を除く): 6955335

約数列:

[1, 3, 23, 69, 101, 103, 303, 309, 529, 1587, 2323, 2369, 6969, 7107, 10403, 31209, 53429, 54487, 160287, 163461, 239269, 717807, 5503187, 16509561]

約数ペア:

[(1, 16509561), (3, 5503187), (23, 717807), (69, 239269), (101, 163461), (103, 160287), (303, 54487), (309, 53429), (529, 31209), (1587, 10403), (2323, 7107), (2369, 6969)]