23557905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 48545280

約数和(自身を除く): 24987375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 257, 291, 315, 485, 679, 771, 873, 945, 1285, 1455, 1799, 2037, 2313, 2619, 3395, 3855, 4365, 5397, 6111, 6939, 8995, 10185, 11565, 13095, 16191, 18333, 24929, 26985, 30555, 34695, 48573, 74787, 80955, 91665, 124645, 174503, 224361, 242865, 373935, 523509, 673083, 872515, 1121805, 1570527, 2617545, 3365415, 4711581, 7852635, 23557905]

約数ペア:

[(1, 23557905), (3, 7852635), (5, 4711581), (7, 3365415), (9, 2617545), (15, 1570527), (21, 1121805), (27, 872515), (35, 673083), (45, 523509), (63, 373935), (97, 242865), (105, 224361), (135, 174503), (189, 124645), (257, 91665), (291, 80955), (315, 74787), (485, 48573), (679, 34695), (771, 30555), (873, 26985), (945, 24929), (1285, 18333), (1455, 16191), (1799, 13095), (2037, 11565), (2313, 10185), (2619, 8995), (3395, 6939), (3855, 6111), (4365, 5397)]