28537887

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 17173473

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 651, 743, 1239, 1829, 2229, 5201, 5487, 12803, 15603, 23033, 38409, 43837, 69099, 131511, 161231, 306859, 483693, 920577, 1358947, 4076841, 9512629, 28537887]

約数ペア:

[(1, 28537887), (3, 9512629), (7, 4076841), (21, 1358947), (31, 920577), (59, 483693), (93, 306859), (177, 161231), (217, 131511), (413, 69099), (651, 43837), (743, 38409), (1239, 23033), (1829, 15603), (2229, 12803), (5201, 5487)]