31877703

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 28505529

約数列:

[1, 3, 9, 11, 13, 17, 31, 33, 39, 47, 51, 93, 99, 117, 141, 143, 153, 187, 221, 279, 341, 403, 423, 429, 517, 527, 561, 611, 663, 799, 1023, 1209, 1287, 1457, 1551, 1581, 1683, 1833, 1989, 2397, 2431, 3069, 3627, 4371, 4433, 4653, 4743, 5499, 5797, 6721, 6851, 7191, 7293, 8789, 10387, 13113, 13299, 16027, 17391, 18941, 20163, 20553, 21879, 24769, 26367, 31161, 39897, 48081, 52173, 56823, 60489, 61659, 74307, 75361, 79101, 93483, 114257, 144243, 170469, 208351, 222921, 226083, 272459, 321997, 342771, 625053, 678249, 817377, 965991, 1028313, 1875159, 2452131, 2897973, 3541967, 10625901, 31877703]

約数ペア:

[(1, 31877703), (3, 10625901), (9, 3541967), (11, 2897973), (13, 2452131), (17, 1875159), (31, 1028313), (33, 965991), (39, 817377), (47, 678249), (51, 625053), (93, 342771), (99, 321997), (117, 272459), (141, 226083), (143, 222921), (153, 208351), (187, 170469), (221, 144243), (279, 114257), (341, 93483), (403, 79101), (423, 75361), (429, 74307), (517, 61659), (527, 60489), (561, 56823), (611, 52173), (663, 48081), (799, 39897), (1023, 31161), (1209, 26367), (1287, 24769), (1457, 21879), (1551, 20553), (1581, 20163), (1683, 18941), (1833, 17391), (1989, 16027), (2397, 13299), (2431, 13113), (3069, 10387), (3627, 8789), (4371, 7293), (4433, 7191), (4653, 6851), (4743, 6721), (5499, 5797)]