31331223

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 58406400

約数和(自身を除く): 27075177

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 1559, 1827, 2233, 2871, 4677, 6699, 10913, 14031, 17149, 20097, 32739, 45211, 51447, 98217, 120043, 135633, 154341, 316477, 360129, 406899, 497321, 949431, 1080387, 1491963, 2848293, 3481247, 4475889, 10443741, 31331223]

約数ペア:

[(1, 31331223), (3, 10443741), (7, 4475889), (9, 3481247), (11, 2848293), (21, 1491963), (29, 1080387), (33, 949431), (63, 497321), (77, 406899), (87, 360129), (99, 316477), (203, 154341), (231, 135633), (261, 120043), (319, 98217), (609, 51447), (693, 45211), (957, 32739), (1559, 20097), (1827, 17149), (2233, 14031), (2871, 10913), (4677, 6699)]