289498209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 233048991

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 149, 231, 273, 429, 447, 647, 1001, 1043, 1639, 1937, 1941, 3003, 3129, 4529, 4917, 5811, 7117, 8411, 11473, 13559, 13587, 21307, 21351, 25233, 34419, 40677, 49819, 58877, 63921, 92521, 96403, 149149, 149457, 176631, 277563, 289209, 447447, 647647, 674821, 1060433, 1253239, 1942941, 2024463, 3181299, 3759717, 7423031, 8772673, 13785629, 22269093, 26318019, 41356887, 96499403, 289498209]

約数ペア:

[(1, 289498209), (3, 96499403), (7, 41356887), (11, 26318019), (13, 22269093), (21, 13785629), (33, 8772673), (39, 7423031), (77, 3759717), (91, 3181299), (143, 2024463), (149, 1942941), (231, 1253239), (273, 1060433), (429, 674821), (447, 647647), (647, 447447), (1001, 289209), (1043, 277563), (1639, 176631), (1937, 149457), (1941, 149149), (3003, 96403), (3129, 92521), (4529, 63921), (4917, 58877), (5811, 49819), (7117, 40677), (8411, 34419), (11473, 25233), (13559, 21351), (13587, 21307)]