81052245

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 154028160

約数和(自身を除く): 72975915

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 67, 81, 87, 103, 135, 145, 201, 261, 309, 335, 405, 435, 515, 603, 783, 927, 1005, 1305, 1545, 1809, 1943, 2349, 2781, 2987, 3015, 3915, 4635, 5427, 5829, 6901, 8343, 8961, 9045, 9715, 11745, 13905, 14935, 17487, 20703, 26883, 27135, 29145, 34505, 41715, 44805, 52461, 62109, 80649, 87435, 103515, 134415, 157383, 186327, 200129, 241947, 262305, 310545, 403245, 558981, 600387, 786915, 931635, 1000645, 1209735, 1801161, 2794905, 3001935, 5403483, 9005805, 16210449, 27017415, 81052245]

約数ペア:

[(1, 81052245), (3, 27017415), (5, 16210449), (9, 9005805), (15, 5403483), (27, 3001935), (29, 2794905), (45, 1801161), (67, 1209735), (81, 1000645), (87, 931635), (103, 786915), (135, 600387), (145, 558981), (201, 403245), (261, 310545), (309, 262305), (335, 241947), (405, 200129), (435, 186327), (515, 157383), (603, 134415), (783, 103515), (927, 87435), (1005, 80649), (1305, 62109), (1545, 52461), (1809, 44805), (1943, 41715), (2349, 34505), (2781, 29145), (2987, 27135), (3015, 26883), (3915, 20703), (4635, 17487), (5427, 14935), (5829, 13905), (6901, 11745), (8343, 9715), (8961, 9045)]