204039225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 399002240

約数和(自身を除く): 194963015

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 79, 117, 195, 225, 237, 325, 395, 585, 711, 883, 975, 1027, 1185, 1975, 2649, 2925, 3081, 3555, 4415, 5135, 5925, 7947, 9243, 11479, 13245, 15405, 17775, 22075, 25675, 34437, 39735, 46215, 57395, 66225, 69757, 77025, 103311, 172185, 198675, 209271, 231075, 286975, 348785, 516555, 627813, 860925, 906841, 1046355, 1743925, 2582775, 2720523, 3139065, 4534205, 5231775, 8161569, 13602615, 15695325, 22671025, 40807845, 68013075, 204039225]

約数ペア:

[(1, 204039225), (3, 68013075), (5, 40807845), (9, 22671025), (13, 15695325), (15, 13602615), (25, 8161569), (39, 5231775), (45, 4534205), (65, 3139065), (75, 2720523), (79, 2582775), (117, 1743925), (195, 1046355), (225, 906841), (237, 860925), (325, 627813), (395, 516555), (585, 348785), (711, 286975), (883, 231075), (975, 209271), (1027, 198675), (1185, 172185), (1975, 103311), (2649, 77025), (2925, 69757), (3081, 66225), (3555, 57395), (4415, 46215), (5135, 39735), (5925, 34437), (7947, 25675), (9243, 22075), (11479, 17775), (13245, 15405)]