28315107

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 42641040

約数和(自身を除く): 14325933

約数列:

[1, 3, 9, 29, 87, 157, 261, 471, 691, 1413, 2073, 4553, 6219, 13659, 20039, 40977, 60117, 108487, 180351, 325461, 976383, 3146123, 9438369, 28315107]

約数ペア:

[(1, 28315107), (3, 9438369), (9, 3146123), (29, 976383), (87, 325461), (157, 180351), (261, 108487), (471, 60117), (691, 40977), (1413, 20039), (2073, 13659), (4553, 6219)]