210844557

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1627}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 405332928

約数和(自身を除く): 194488371

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 121, 153, 187, 231, 357, 363, 561, 693, 847, 1071, 1089, 1309, 1627, 1683, 2057, 2541, 3927, 4881, 6171, 7623, 11389, 11781, 14399, 14643, 17897, 18513, 27659, 34167, 43197, 53691, 82977, 102501, 125279, 129591, 161073, 193613, 196867, 248931, 304249, 375837, 580839, 590601, 912747, 1127511, 1378069, 1742517, 1771803, 2129743, 2738241, 3346739, 4134207, 6389229, 10040217, 12402621, 19167687, 23427173, 30120651, 70281519, 210844557]

約数ペア:

[(1, 210844557), (3, 70281519), (7, 30120651), (9, 23427173), (11, 19167687), (17, 12402621), (21, 10040217), (33, 6389229), (51, 4134207), (63, 3346739), (77, 2738241), (99, 2129743), (119, 1771803), (121, 1742517), (153, 1378069), (187, 1127511), (231, 912747), (357, 590601), (363, 580839), (561, 375837), (693, 304249), (847, 248931), (1071, 196867), (1089, 193613), (1309, 161073), (1627, 129591), (1683, 125279), (2057, 102501), (2541, 82977), (3927, 53691), (4881, 43197), (6171, 34167), (7623, 27659), (11389, 18513), (11781, 17897), (14399, 14643)]