3988425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 7713792

約数和(自身を除く): 3725367

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 107, 175, 213, 321, 355, 497, 525, 535, 749, 1065, 1491, 1605, 1775, 2247, 2485, 2675, 3745, 5325, 7455, 7597, 8025, 11235, 12425, 18725, 22791, 37275, 37985, 53179, 56175, 113955, 159537, 189925, 265895, 569775, 797685, 1329475, 3988425]

約数ペア:

[(1, 3988425), (3, 1329475), (5, 797685), (7, 569775), (15, 265895), (21, 189925), (25, 159537), (35, 113955), (71, 56175), (75, 53179), (105, 37985), (107, 37275), (175, 22791), (213, 18725), (321, 12425), (355, 11235), (497, 8025), (525, 7597), (535, 7455), (749, 5325), (1065, 3745), (1491, 2675), (1605, 2485), (1775, 2247)]