156338973

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 273395200

約数和(自身を除く): 117056227

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 211, 399, 619, 633, 1197, 1477, 1857, 1899, 4009, 4333, 4431, 5571, 11761, 12027, 12999, 13293, 28063, 35283, 36081, 38997, 82327, 84189, 105849, 130609, 246981, 252567, 391827, 740943, 914263, 1175481, 2481571, 2742789, 7444713, 8228367, 17370997, 22334139, 52112991, 156338973]

約数ペア:

[(1, 156338973), (3, 52112991), (7, 22334139), (9, 17370997), (19, 8228367), (21, 7444713), (57, 2742789), (63, 2481571), (133, 1175481), (171, 914263), (211, 740943), (399, 391827), (619, 252567), (633, 246981), (1197, 130609), (1477, 105849), (1857, 84189), (1899, 82327), (4009, 38997), (4333, 36081), (4431, 35283), (5571, 28063), (11761, 13293), (12027, 12999)]