28557603

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 18407133

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 223, 243, 279, 459, 527, 669, 837, 1377, 1581, 2007, 2511, 3791, 4131, 4743, 6021, 6913, 7533, 11373, 14229, 18063, 20739, 34119, 42687, 54189, 62217, 102357, 117521, 128061, 186651, 307071, 352563, 559953, 921213, 1057689, 1679859, 3173067, 9519201, 28557603]

約数ペア:

[(1, 28557603), (3, 9519201), (9, 3173067), (17, 1679859), (27, 1057689), (31, 921213), (51, 559953), (81, 352563), (93, 307071), (153, 186651), (223, 128061), (243, 117521), (279, 102357), (459, 62217), (527, 54189), (669, 42687), (837, 34119), (1377, 20739), (1581, 18063), (2007, 14229), (2511, 11373), (3791, 7533), (4131, 6913), (4743, 6021)]