208043073

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 393294528

約数和(自身を除く): 185251455

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 49, 53, 63, 69, 81, 129, 147, 159, 161, 189, 207, 301, 371, 387, 441, 477, 483, 567, 621, 903, 989, 1113, 1127, 1161, 1219, 1323, 1431, 1449, 1863, 2107, 2279, 2597, 2709, 2967, 3339, 3381, 3483, 3657, 3969, 4293, 4347, 6321, 6837, 6923, 7791, 8127, 8533, 8901, 10017, 10143, 10971, 13041, 15953, 18963, 20511, 20769, 23373, 24381, 25599, 26703, 30051, 30429, 32913, 47859, 48461, 52417, 56889, 59731, 61533, 62307, 70119, 76797, 80109, 91287, 98739, 111671, 143577, 145383, 157251, 170667, 179193, 184599, 186921, 210357, 230391, 335013, 366919, 430731, 436149, 471753, 537579, 560763, 691173, 1005039, 1100757, 1292193, 1308447, 1415259, 1612737, 2568433, 3015117, 3302271, 3925341, 4245777, 4838211, 7705299, 9045351, 9906813, 23115897, 29720439, 69347691, 208043073]

約数ペア:

[(1, 208043073), (3, 69347691), (7, 29720439), (9, 23115897), (21, 9906813), (23, 9045351), (27, 7705299), (43, 4838211), (49, 4245777), (53, 3925341), (63, 3302271), (69, 3015117), (81, 2568433), (129, 1612737), (147, 1415259), (159, 1308447), (161, 1292193), (189, 1100757), (207, 1005039), (301, 691173), (371, 560763), (387, 537579), (441, 471753), (477, 436149), (483, 430731), (567, 366919), (621, 335013), (903, 230391), (989, 210357), (1113, 186921), (1127, 184599), (1161, 179193), (1219, 170667), (1323, 157251), (1431, 145383), (1449, 143577), (1863, 111671), (2107, 98739), (2279, 91287), (2597, 80109), (2709, 76797), (2967, 70119), (3339, 62307), (3381, 61533), (3483, 59731), (3657, 56889), (3969, 52417), (4293, 48461), (4347, 47859), (6321, 32913), (6837, 30429), (6923, 30051), (7791, 26703), (8127, 25599), (8533, 24381), (8901, 23373), (10017, 20769), (10143, 20511), (10971, 18963), (13041, 15953)]