28197693

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 43929600

約数和(自身を除く): 15731907

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 531, 571, 837, 1593, 1713, 1829, 5139, 5487, 15417, 16461, 17701, 33689, 49383, 53103, 101067, 159309, 303201, 477927, 909603, 1044359, 3133077, 9399231, 28197693]

約数ペア:

[(1, 28197693), (3, 9399231), (9, 3133077), (27, 1044359), (31, 909603), (59, 477927), (93, 303201), (177, 159309), (279, 101067), (531, 53103), (571, 49383), (837, 33689), (1593, 17701), (1713, 16461), (1829, 15417), (5139, 5487)]