176190021

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 314456064

約数和(自身を除く): 138266043

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 127, 133, 171, 183, 361, 381, 399, 427, 549, 889, 1083, 1143, 1159, 1197, 1281, 2413, 2527, 2667, 3249, 3477, 3843, 7239, 7581, 7747, 8001, 8113, 10431, 16891, 21717, 22021, 22743, 23241, 24339, 45847, 50673, 54229, 66063, 69723, 73017, 137541, 147193, 152019, 154147, 162687, 198189, 320929, 412623, 441579, 462441, 488061, 962787, 1030351, 1324737, 1387323, 2796667, 2888361, 3091053, 8390001, 9273159, 19576669, 25170003, 58730007, 176190021]

約数ペア:

[(1, 176190021), (3, 58730007), (7, 25170003), (9, 19576669), (19, 9273159), (21, 8390001), (57, 3091053), (61, 2888361), (63, 2796667), (127, 1387323), (133, 1324737), (171, 1030351), (183, 962787), (361, 488061), (381, 462441), (399, 441579), (427, 412623), (549, 320929), (889, 198189), (1083, 162687), (1143, 154147), (1159, 152019), (1197, 147193), (1281, 137541), (2413, 73017), (2527, 69723), (2667, 66063), (3249, 54229), (3477, 50673), (3843, 45847), (7239, 24339), (7581, 23241), (7747, 22743), (8001, 22021), (8113, 21717), (10431, 16891)]