137942775

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1997}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 247999752

約数和(自身を除く): 110056977

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 921, 1535, 1997, 2763, 4605, 5991, 7675, 9985, 13815, 17973, 23025, 29955, 49925, 69075, 89865, 149775, 449325, 613079, 1839237, 3065395, 5517711, 9196185, 15326975, 27588555, 45980925, 137942775]

約数ペア:

[(1, 137942775), (3, 45980925), (5, 27588555), (9, 15326975), (15, 9196185), (25, 5517711), (45, 3065395), (75, 1839237), (225, 613079), (307, 449325), (921, 149775), (1535, 89865), (1997, 69075), (2763, 49925), (4605, 29955), (5991, 23025), (7675, 17973), (9985, 13815)]