215651163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27239}}^1$

素因数の和:27291

約数の個数: 32

約数和(自身を含む): 366105600

約数和(自身を除く): 150454437

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 27239, 81717, 190673, 354107, 572019, 789931, 1062321, 2369793, 2478749, 5529517, 7436247, 10269103, 16588551, 30807309, 71883721, 215651163]

約数ペア:

[(1, 215651163), (3, 71883721), (7, 30807309), (13, 16588551), (21, 10269103), (29, 7436247), (39, 5529517), (87, 2478749), (91, 2369793), (203, 1062321), (273, 789931), (377, 572019), (609, 354107), (1131, 190673), (2639, 81717), (7917, 27239)]