25771515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 52503552

約数和(自身を除く): 26732037

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 53, 55, 77, 105, 159, 165, 231, 265, 371, 385, 421, 583, 795, 1113, 1155, 1263, 1749, 1855, 2105, 2915, 2947, 4081, 4631, 5565, 6315, 8745, 8841, 12243, 13893, 14735, 20405, 22313, 23155, 32417, 44205, 61215, 66939, 69465, 97251, 111565, 156191, 162085, 245443, 334695, 468573, 486255, 736329, 780955, 1227215, 1718101, 2342865, 3681645, 5154303, 8590505, 25771515]

約数ペア:

[(1, 25771515), (3, 8590505), (5, 5154303), (7, 3681645), (11, 2342865), (15, 1718101), (21, 1227215), (33, 780955), (35, 736329), (53, 486255), (55, 468573), (77, 334695), (105, 245443), (159, 162085), (165, 156191), (231, 111565), (265, 97251), (371, 69465), (385, 66939), (421, 61215), (583, 44205), (795, 32417), (1113, 23155), (1155, 22313), (1263, 20405), (1749, 14735), (1855, 13893), (2105, 12243), (2915, 8841), (2947, 8745), (4081, 6315), (4631, 5565)]