210804981

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 320655360

約数和(自身を除く): 109850379

約数列:

[1, 3, 17, 19, 51, 57, 67, 191, 201, 289, 323, 573, 867, 969, 1139, 1273, 3247, 3417, 3629, 3819, 5491, 9741, 10887, 12797, 16473, 19363, 21641, 38391, 55199, 58089, 61693, 64923, 165597, 185079, 217549, 243143, 367897, 652647, 729429, 1048781, 1103691, 3146343, 3698333, 4133431, 11094999, 12400293, 70268327, 210804981]

約数ペア:

[(1, 210804981), (3, 70268327), (17, 12400293), (19, 11094999), (51, 4133431), (57, 3698333), (67, 3146343), (191, 1103691), (201, 1048781), (289, 729429), (323, 652647), (573, 367897), (867, 243143), (969, 217549), (1139, 185079), (1273, 165597), (3247, 64923), (3417, 61693), (3629, 58089), (3819, 55199), (5491, 38391), (9741, 21641), (10887, 19363), (12797, 16473)]