291291273

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 527567040

約数和(自身を除く): 236275767

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 109, 117, 169, 251, 273, 327, 507, 753, 763, 819, 981, 1183, 1417, 1521, 1757, 2259, 2289, 3263, 3549, 4251, 5271, 6867, 9789, 9919, 10647, 12753, 15813, 18421, 22841, 27359, 29367, 29757, 42419, 55263, 68523, 82077, 89271, 127257, 128947, 165789, 191513, 205569, 246231, 296933, 355667, 381771, 386841, 574539, 890799, 1067001, 1160523, 1723617, 2489669, 2672397, 3201003, 4623671, 7469007, 13871013, 22407021, 32365697, 41613039, 97097091, 291291273]

約数ペア:

[(1, 291291273), (3, 97097091), (7, 41613039), (9, 32365697), (13, 22407021), (21, 13871013), (39, 7469007), (63, 4623671), (91, 3201003), (109, 2672397), (117, 2489669), (169, 1723617), (251, 1160523), (273, 1067001), (327, 890799), (507, 574539), (753, 386841), (763, 381771), (819, 355667), (981, 296933), (1183, 246231), (1417, 205569), (1521, 191513), (1757, 165789), (2259, 128947), (2289, 127257), (3263, 89271), (3549, 82077), (4251, 68523), (5271, 55263), (6867, 42419), (9789, 29757), (9919, 29367), (10647, 27359), (12753, 22841), (15813, 18421)]