551449731

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 902430720

約数和(自身を除く): 350980989

約数列:

[1, 3, 7, 21, 31, 47, 67, 93, 141, 201, 217, 269, 329, 469, 651, 807, 987, 1407, 1457, 1883, 2077, 3149, 4371, 5649, 6231, 8339, 9447, 10199, 12643, 14539, 18023, 22043, 25017, 30597, 37929, 43617, 54069, 58373, 66129, 88501, 97619, 126161, 175119, 265503, 292857, 378483, 391933, 558713, 683333, 847081, 1175799, 1676139, 2049999, 2541243, 2743531, 3910991, 5929567, 8230593, 11732973, 17788701, 26259511, 78778533, 183816577, 551449731]

約数ペア:

[(1, 551449731), (3, 183816577), (7, 78778533), (21, 26259511), (31, 17788701), (47, 11732973), (67, 8230593), (93, 5929567), (141, 3910991), (201, 2743531), (217, 2541243), (269, 2049999), (329, 1676139), (469, 1175799), (651, 847081), (807, 683333), (987, 558713), (1407, 391933), (1457, 378483), (1883, 292857), (2077, 265503), (3149, 175119), (4371, 126161), (5649, 97619), (6231, 88501), (8339, 66129), (9447, 58373), (10199, 54069), (12643, 43617), (14539, 37929), (18023, 30597), (22043, 25017)]