18369225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 38301120

約数和(自身を除く): 19931895

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 107, 109, 175, 225, 315, 321, 327, 525, 535, 545, 749, 763, 963, 981, 1575, 1605, 1635, 2247, 2289, 2675, 2725, 3745, 3815, 4815, 4905, 6741, 6867, 8025, 8175, 11235, 11445, 11663, 18725, 19075, 24075, 24525, 33705, 34335, 34989, 56175, 57225, 58315, 81641, 104967, 168525, 171675, 174945, 244923, 291575, 408205, 524835, 734769, 874725, 1224615, 2041025, 2624175, 3673845, 6123075, 18369225]

約数ペア:

[(1, 18369225), (3, 6123075), (5, 3673845), (7, 2624175), (9, 2041025), (15, 1224615), (21, 874725), (25, 734769), (35, 524835), (45, 408205), (63, 291575), (75, 244923), (105, 174945), (107, 171675), (109, 168525), (175, 104967), (225, 81641), (315, 58315), (321, 57225), (327, 56175), (525, 34989), (535, 34335), (545, 33705), (749, 24525), (763, 24075), (963, 19075), (981, 18725), (1575, 11663), (1605, 11445), (1635, 11235), (2247, 8175), (2289, 8025), (2675, 6867), (2725, 6741), (3745, 4905), (3815, 4815)]