149047857

素因数分解:

$3^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:137

約数の個数: 90

約数和(自身を含む): 280197522

約数和(自身を除く): 131149665

約数列:

[1, 3, 7, 9, 17, 21, 27, 47, 49, 51, 63, 81, 119, 141, 147, 153, 189, 329, 357, 423, 441, 459, 567, 799, 833, 987, 1071, 1269, 1323, 1377, 2209, 2303, 2397, 2499, 2961, 3213, 3807, 3969, 5593, 6627, 6909, 7191, 7497, 8883, 9639, 15463, 16779, 19881, 20727, 21573, 22491, 26649, 37553, 39151, 46389, 50337, 59643, 62181, 64719, 67473, 108241, 112659, 117453, 139167, 151011, 178929, 186543, 262871, 324723, 337977, 352359, 417501, 453033, 788613, 974169, 1013931, 1057077, 1252503, 1840097, 2365839, 2922507, 3041793, 3171231, 5520291, 7097517, 8767521, 16560873, 21292551, 49682619, 149047857]

約数ペア:

[(1, 149047857), (3, 49682619), (7, 21292551), (9, 16560873), (17, 8767521), (21, 7097517), (27, 5520291), (47, 3171231), (49, 3041793), (51, 2922507), (63, 2365839), (81, 1840097), (119, 1252503), (141, 1057077), (147, 1013931), (153, 974169), (189, 788613), (329, 453033), (357, 417501), (423, 352359), (441, 337977), (459, 324723), (567, 262871), (799, 186543), (833, 178929), (987, 151011), (1071, 139167), (1269, 117453), (1323, 112659), (1377, 108241), (2209, 67473), (2303, 64719), (2397, 62181), (2499, 59643), (2961, 50337), (3213, 46389), (3807, 39151), (3969, 37553), (5593, 26649), (6627, 22491), (6909, 21573), (7191, 20727), (7497, 19881), (8883, 16779), (9639, 15463)]