81008025

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 161894400

約数和(自身を除く): 80886375

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 49, 67, 75, 105, 141, 147, 175, 201, 235, 245, 329, 335, 343, 469, 525, 705, 735, 987, 1005, 1029, 1175, 1225, 1407, 1645, 1675, 1715, 2303, 2345, 3149, 3283, 3525, 3675, 4935, 5025, 5145, 6909, 7035, 8225, 8575, 9447, 9849, 11515, 11725, 15745, 16121, 16415, 22043, 22981, 24675, 25725, 34545, 35175, 47235, 48363, 49245, 57575, 66129, 68943, 78725, 80605, 82075, 110215, 114905, 154301, 172725, 236175, 241815, 246225, 330645, 344715, 403025, 462903, 551075, 574525, 771505, 1080107, 1209075, 1653225, 1723575, 2314515, 3240321, 3857525, 5400535, 11572575, 16201605, 27002675, 81008025]

約数ペア:

[(1, 81008025), (3, 27002675), (5, 16201605), (7, 11572575), (15, 5400535), (21, 3857525), (25, 3240321), (35, 2314515), (47, 1723575), (49, 1653225), (67, 1209075), (75, 1080107), (105, 771505), (141, 574525), (147, 551075), (175, 462903), (201, 403025), (235, 344715), (245, 330645), (329, 246225), (335, 241815), (343, 236175), (469, 172725), (525, 154301), (705, 114905), (735, 110215), (987, 82075), (1005, 80605), (1029, 78725), (1175, 68943), (1225, 66129), (1407, 57575), (1645, 49245), (1675, 48363), (1715, 47235), (2303, 35175), (2345, 34545), (3149, 25725), (3283, 24675), (3525, 22981), (3675, 22043), (4935, 16415), (5025, 16121), (5145, 15745), (6909, 11725), (7035, 11515), (8225, 9849), (8575, 9447)]