156907601991

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{431}}^1\times {\mathrm{5939}}^1$

素因数の和:6529

約数の個数: 72

約数和(自身を含む): 266205139200

約数和(自身を除く): 109297537209

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 417, 431, 441, 973, 1251, 1293, 2919, 3017, 3879, 5939, 6811, 8757, 9051, 17817, 20433, 21119, 27153, 41573, 53451, 59909, 61299, 63357, 124719, 179727, 190071, 291011, 374157, 419363, 539181, 825521, 873033, 1258089, 2476563, 2559709, 2619099, 2935541, 3774267, 5778647, 7429689, 7679127, 8806623, 17335941, 17917963, 23037381, 26419869, 40450529, 52007823, 53753889, 121351587, 125425741, 161261667, 355799551, 364054761, 376277223, 1067398653, 1128831669, 2490596857, 3202195959, 7471790571, 17434177999, 22415371713, 52302533997, 156907601991]

約数ペア:

[(1, 156907601991), (3, 52302533997), (7, 22415371713), (9, 17434177999), (21, 7471790571), (49, 3202195959), (63, 2490596857), (139, 1128831669), (147, 1067398653), (417, 376277223), (431, 364054761), (441, 355799551), (973, 161261667), (1251, 125425741), (1293, 121351587), (2919, 53753889), (3017, 52007823), (3879, 40450529), (5939, 26419869), (6811, 23037381), (8757, 17917963), (9051, 17335941), (17817, 8806623), (20433, 7679127), (21119, 7429689), (27153, 5778647), (41573, 3774267), (53451, 2935541), (59909, 2619099), (61299, 2559709), (63357, 2476563), (124719, 1258089), (179727, 873033), (190071, 825521), (291011, 539181), (374157, 419363)]