281691839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 344644608

約数和(自身を除く): 62952769

約数列:

[1, 11, 13, 43, 61, 143, 473, 559, 671, 751, 793, 2623, 6149, 8261, 8723, 9763, 28853, 32293, 34099, 45811, 107393, 355223, 375089, 419809, 503921, 595543, 1969873, 4617899, 6550973, 21668603, 25608349, 281691839]

約数ペア:

[(1, 281691839), (11, 25608349), (13, 21668603), (43, 6550973), (61, 4617899), (143, 1969873), (473, 595543), (559, 503921), (671, 419809), (751, 375089), (793, 355223), (2623, 107393), (6149, 45811), (8261, 34099), (8723, 32293), (9763, 28853)]