18044775

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 40810880

約数和(自身を除く): 22766105

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 67, 75, 81, 95, 105, 133, 135, 171, 175, 189, 201, 225, 285, 315, 335, 399, 405, 469, 475, 513, 525, 567, 603, 665, 675, 855, 945, 1005, 1197, 1273, 1407, 1425, 1539, 1575, 1675, 1809, 1995, 2025, 2345, 2565, 2835, 3015, 3325, 3591, 3819, 4221, 4275, 4725, 5025, 5427, 5985, 6365, 7035, 7695, 8911, 9045, 9975, 10773, 11457, 11725, 12663, 12825, 14175, 15075, 17955, 19095, 21105, 26733, 27135, 29925, 31825, 34371, 35175, 37989, 38475, 44555, 45225, 53865, 57285, 63315, 80199, 89775, 95475, 103113, 105525, 133665, 135675, 171855, 189945, 222775, 240597, 269325, 286425, 316575, 400995, 515565, 668325, 721791, 859275, 949725, 1202985, 2004975, 2577825, 3608955, 6014925, 18044775]

約数ペア:

[(1, 18044775), (3, 6014925), (5, 3608955), (7, 2577825), (9, 2004975), (15, 1202985), (19, 949725), (21, 859275), (25, 721791), (27, 668325), (35, 515565), (45, 400995), (57, 316575), (63, 286425), (67, 269325), (75, 240597), (81, 222775), (95, 189945), (105, 171855), (133, 135675), (135, 133665), (171, 105525), (175, 103113), (189, 95475), (201, 89775), (225, 80199), (285, 63315), (315, 57285), (335, 53865), (399, 45225), (405, 44555), (469, 38475), (475, 37989), (513, 35175), (525, 34371), (567, 31825), (603, 29925), (665, 27135), (675, 26733), (855, 21105), (945, 19095), (1005, 17955), (1197, 15075), (1273, 14175), (1407, 12825), (1425, 12663), (1539, 11725), (1575, 11457), (1675, 10773), (1809, 9975), (1995, 9045), (2025, 8911), (2345, 7695), (2565, 7035), (2835, 6365), (3015, 5985), (3325, 5427), (3591, 5025), (3819, 4725), (4221, 4275)]