31908393

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 53494272

約数和(自身を除く): 21585879

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 279, 281, 333, 341, 407, 843, 1023, 1147, 1221, 2529, 3069, 3091, 3441, 3663, 8711, 9273, 10323, 10397, 12617, 26133, 27819, 31191, 37851, 78399, 93573, 95821, 113553, 114367, 287463, 322307, 343101, 862389, 966921, 1029303, 2900763, 3545377, 10636131, 31908393]

約数ペア:

[(1, 31908393), (3, 10636131), (9, 3545377), (11, 2900763), (31, 1029303), (33, 966921), (37, 862389), (93, 343101), (99, 322307), (111, 287463), (279, 114367), (281, 113553), (333, 95821), (341, 93573), (407, 78399), (843, 37851), (1023, 31191), (1147, 27819), (1221, 26133), (2529, 12617), (3069, 10397), (3091, 10323), (3441, 9273), (3663, 8711)]