21032913357

素因数分解:

$3^6\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1749

約数の個数: 56

約数和(自身を含む): 32007796736

約数和(自身を除く): 10974883379

約数列:

[1, 3, 9, 27, 81, 127, 157, 243, 381, 471, 729, 1143, 1413, 1447, 3429, 4239, 4341, 10287, 12717, 13023, 19939, 30861, 38151, 39069, 59817, 92583, 114453, 117207, 179451, 183769, 227179, 351621, 538353, 551307, 681537, 1054863, 1615059, 1653921, 2044611, 4845177, 4961763, 6133833, 14535531, 14885289, 18401499, 28851733, 44655867, 55204497, 86555199, 133967601, 165613491, 259665597, 778996791, 2336990373, 7010971119, 21032913357]

約数ペア:

[(1, 21032913357), (3, 7010971119), (9, 2336990373), (27, 778996791), (81, 259665597), (127, 165613491), (157, 133967601), (243, 86555199), (381, 55204497), (471, 44655867), (729, 28851733), (1143, 18401499), (1413, 14885289), (1447, 14535531), (3429, 6133833), (4239, 4961763), (4341, 4845177), (10287, 2044611), (12717, 1653921), (13023, 1615059), (19939, 1054863), (30861, 681537), (38151, 551307), (39069, 538353), (59817, 351621), (92583, 227179), (114453, 183769), (117207, 179451)]