254421867

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{1801}}^1$

素因数の和:1880

約数の個数: 36

約数和(自身を含む): 407980008

約数和(自身を除く): 153558141

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 961, 1519, 1801, 2883, 4557, 5403, 6727, 12607, 20181, 37821, 47089, 55831, 88249, 141267, 167493, 264747, 390817, 1172451, 1730761, 2735719, 5192283, 8207157, 12115327, 36345981, 84807289, 254421867]

約数ペア:

[(1, 254421867), (3, 84807289), (7, 36345981), (21, 12115327), (31, 8207157), (49, 5192283), (93, 2735719), (147, 1730761), (217, 1172451), (651, 390817), (961, 264747), (1519, 167493), (1801, 141267), (2883, 88249), (4557, 55831), (5403, 47089), (6727, 37821), (12607, 20181)]