247772925

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4000

約数の個数: 60

約数和(自身を含む): 473886336

約数和(自身を除く): 226113411

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 465, 675, 775, 837, 1395, 2025, 2325, 2511, 3947, 4185, 6975, 11841, 12555, 19735, 20925, 35523, 59205, 62775, 98675, 106569, 122357, 177615, 296025, 319707, 367071, 532845, 611785, 888075, 1101213, 1598535, 1835355, 2664225, 3058925, 3303639, 5506065, 7992675, 9176775, 9910917, 16518195, 27530325, 49554585, 82590975, 247772925]

約数ペア:

[(1, 247772925), (3, 82590975), (5, 49554585), (9, 27530325), (15, 16518195), (25, 9910917), (27, 9176775), (31, 7992675), (45, 5506065), (75, 3303639), (81, 3058925), (93, 2664225), (135, 1835355), (155, 1598535), (225, 1101213), (279, 888075), (405, 611785), (465, 532845), (675, 367071), (775, 319707), (837, 296025), (1395, 177615), (2025, 122357), (2325, 106569), (2511, 98675), (3947, 62775), (4185, 59205), (6975, 35523), (11841, 20925), (12555, 19735)]