2015590941

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20681}}^1$

素因数の和:20731

約数の個数: 72

約数和(自身を含む): 3861991224

約数和(自身を除く): 1846400283

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2499, 4641, 5733, 7497, 10829, 13923, 20681, 32487, 62043, 97461, 144767, 186129, 268853, 351577, 434301, 806559, 1013369, 1054731, 1302903, 1881971, 2419677, 2461039, 3040107, 3164193, 4570501, 5645913, 7383117, 9120321, 13173797, 13711503, 16937739, 17227273, 22149351, 31993507, 39521391, 41134509, 51681819, 95980521, 118564173, 155045457, 223954549, 287941563, 671863647, 2015590941]

約数ペア:

[(1, 2015590941), (3, 671863647), (7, 287941563), (9, 223954549), (13, 155045457), (17, 118564173), (21, 95980521), (39, 51681819), (49, 41134509), (51, 39521391), (63, 31993507), (91, 22149351), (117, 17227273), (119, 16937739), (147, 13711503), (153, 13173797), (221, 9120321), (273, 7383117), (357, 5645913), (441, 4570501), (637, 3164193), (663, 3040107), (819, 2461039), (833, 2419677), (1071, 1881971), (1547, 1302903), (1911, 1054731), (1989, 1013369), (2499, 806559), (4641, 434301), (5733, 351577), (7497, 268853), (10829, 186129), (13923, 144767), (20681, 97461), (32487, 62043)]