201745719

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 368769024

約数和(自身を除く): 167023305

約数列:

[1, 3, 7, 9, 21, 23, 37, 53, 63, 69, 71, 111, 159, 161, 207, 213, 259, 333, 371, 477, 483, 497, 639, 777, 851, 1113, 1219, 1449, 1491, 1633, 1961, 2331, 2553, 2627, 3339, 3657, 3763, 4473, 4899, 5883, 5957, 7659, 7881, 8533, 10971, 11289, 11431, 13727, 14697, 17649, 17871, 18389, 23643, 25599, 26341, 33867, 34293, 41181, 45103, 53613, 55167, 60421, 76797, 79023, 86549, 102879, 123543, 135309, 139231, 165501, 181263, 237069, 259647, 315721, 405927, 417693, 422947, 543789, 605843, 778941, 947163, 974617, 1253079, 1268841, 1817529, 2841489, 2923851, 3202313, 3806523, 5452587, 8771553, 9606939, 22416191, 28820817, 67248573, 201745719]

約数ペア:

[(1, 201745719), (3, 67248573), (7, 28820817), (9, 22416191), (21, 9606939), (23, 8771553), (37, 5452587), (53, 3806523), (63, 3202313), (69, 2923851), (71, 2841489), (111, 1817529), (159, 1268841), (161, 1253079), (207, 974617), (213, 947163), (259, 778941), (333, 605843), (371, 543789), (477, 422947), (483, 417693), (497, 405927), (639, 315721), (777, 259647), (851, 237069), (1113, 181263), (1219, 165501), (1449, 139231), (1491, 135309), (1633, 123543), (1961, 102879), (2331, 86549), (2553, 79023), (2627, 76797), (3339, 60421), (3657, 55167), (3763, 53613), (4473, 45103), (4899, 41181), (5883, 34293), (5957, 33867), (7659, 26341), (7881, 25599), (8533, 23643), (10971, 18389), (11289, 17871), (11431, 17649), (13727, 14697)]