81411858

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 211507200

約数和(自身を除く): 130095342

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 59, 66, 69, 99, 101, 118, 138, 177, 198, 202, 207, 253, 297, 303, 354, 414, 506, 531, 594, 606, 621, 649, 759, 909, 1062, 1111, 1242, 1298, 1357, 1518, 1593, 1818, 1947, 2222, 2277, 2323, 2714, 2727, 3186, 3333, 3894, 4071, 4554, 4646, 5454, 5841, 5959, 6666, 6831, 6969, 8142, 9999, 11682, 11918, 12213, 13662, 13938, 14927, 17523, 17877, 19998, 20907, 24426, 25553, 29854, 29997, 35046, 35754, 36639, 41814, 44781, 51106, 53631, 59994, 62721, 65549, 73278, 76659, 89562, 107262, 125442, 131098, 134343, 137057, 153318, 160893, 196647, 229977, 268686, 274114, 321786, 393294, 403029, 411171, 459954, 589941, 689931, 806058, 822342, 1179882, 1233513, 1379862, 1507627, 1769823, 2467026, 3015254, 3539646, 3700539, 4522881, 7401078, 9045762, 13568643, 27137286, 40705929, 81411858]

約数ペア:

[(1, 81411858), (2, 40705929), (3, 27137286), (6, 13568643), (9, 9045762), (11, 7401078), (18, 4522881), (22, 3700539), (23, 3539646), (27, 3015254), (33, 2467026), (46, 1769823), (54, 1507627), (59, 1379862), (66, 1233513), (69, 1179882), (99, 822342), (101, 806058), (118, 689931), (138, 589941), (177, 459954), (198, 411171), (202, 403029), (207, 393294), (253, 321786), (297, 274114), (303, 268686), (354, 229977), (414, 196647), (506, 160893), (531, 153318), (594, 137057), (606, 134343), (621, 131098), (649, 125442), (759, 107262), (909, 89562), (1062, 76659), (1111, 73278), (1242, 65549), (1298, 62721), (1357, 59994), (1518, 53631), (1593, 51106), (1818, 44781), (1947, 41814), (2222, 36639), (2277, 35754), (2323, 35046), (2714, 29997), (2727, 29854), (3186, 25553), (3333, 24426), (3894, 20907), (4071, 19998), (4554, 17877), (4646, 17523), (5454, 14927), (5841, 13938), (5959, 13662), (6666, 12213), (6831, 11918), (6969, 11682), (8142, 9999)]