9977275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 15856128

約数和(自身を除く): 5878853

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 73, 77, 175, 275, 355, 365, 385, 497, 511, 781, 803, 1775, 1825, 1925, 2485, 2555, 3905, 4015, 5183, 5467, 5621, 12425, 12775, 19525, 20075, 25915, 27335, 28105, 36281, 57013, 129575, 136675, 140525, 181405, 285065, 399091, 907025, 1425325, 1995455, 9977275]

約数ペア:

[(1, 9977275), (5, 1995455), (7, 1425325), (11, 907025), (25, 399091), (35, 285065), (55, 181405), (71, 140525), (73, 136675), (77, 129575), (175, 57013), (275, 36281), (355, 28105), (365, 27335), (385, 25915), (497, 20075), (511, 19525), (781, 12775), (803, 12425), (1775, 5621), (1825, 5467), (1925, 5183), (2485, 4015), (2555, 3905)]