15407217

素因数分解:

$3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 60

約数和(自身を含む): 27965184

約数和(自身を除く): 12557967

約数列:

[1, 3, 7, 9, 21, 23, 31, 49, 63, 69, 93, 147, 161, 207, 217, 279, 343, 441, 483, 651, 713, 1029, 1127, 1449, 1519, 1953, 2139, 2401, 3087, 3381, 4557, 4991, 6417, 7203, 7889, 10143, 10633, 13671, 14973, 21609, 23667, 31899, 34937, 44919, 55223, 71001, 74431, 95697, 104811, 165669, 223293, 244559, 314433, 497007, 669879, 733677, 1711913, 2201031, 5135739, 15407217]

約数ペア:

[(1, 15407217), (3, 5135739), (7, 2201031), (9, 1711913), (21, 733677), (23, 669879), (31, 497007), (49, 314433), (63, 244559), (69, 223293), (93, 165669), (147, 104811), (161, 95697), (207, 74431), (217, 71001), (279, 55223), (343, 44919), (441, 34937), (483, 31899), (651, 23667), (713, 21609), (1029, 14973), (1127, 13671), (1449, 10633), (1519, 10143), (1953, 7889), (2139, 7203), (2401, 6417), (3087, 4991), (3381, 4557)]