81993978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 199987200

約数和(自身を除く): 117993222

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 223, 297, 446, 594, 619, 669, 1238, 1338, 1857, 2007, 2453, 3714, 4014, 4906, 5571, 6021, 6809, 7359, 11142, 12042, 13618, 14718, 16713, 20427, 22077, 33426, 40854, 44154, 61281, 66231, 122562, 132462, 138037, 183843, 276074, 367686, 414111, 828222, 1242333, 1518407, 2484666, 3036814, 3726999, 4555221, 7453998, 9110442, 13665663, 27331326, 40996989, 81993978]

約数ペア:

[(1, 81993978), (2, 40996989), (3, 27331326), (6, 13665663), (9, 9110442), (11, 7453998), (18, 4555221), (22, 3726999), (27, 3036814), (33, 2484666), (54, 1518407), (66, 1242333), (99, 828222), (198, 414111), (223, 367686), (297, 276074), (446, 183843), (594, 138037), (619, 132462), (669, 122562), (1238, 66231), (1338, 61281), (1857, 44154), (2007, 40854), (2453, 33426), (3714, 22077), (4014, 20427), (4906, 16713), (5571, 14718), (6021, 13618), (6809, 12042), (7359, 11142)]