287357763

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20393}}^1$

素因数の和:20475

約数の個数: 32

約数和(自身を含む): 485540352

約数和(自身を除く): 198182589

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 2013, 4697, 14091, 20393, 61179, 142751, 224323, 428253, 672969, 1243973, 1570261, 3731919, 4710783, 8707811, 13683703, 26123433, 41051109, 95785921, 287357763]

約数ペア:

[(1, 287357763), (3, 95785921), (7, 41051109), (11, 26123433), (21, 13683703), (33, 8707811), (61, 4710783), (77, 3731919), (183, 1570261), (231, 1243973), (427, 672969), (671, 428253), (1281, 224323), (2013, 142751), (4697, 61179), (14091, 20393)]