81601135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 122863104

約数和(自身を除く): 41261969

約数列:

[1, 5, 7, 11, 35, 55, 77, 181, 385, 905, 1171, 1267, 1991, 5855, 6335, 8197, 9955, 12881, 13937, 40985, 64405, 69685, 90167, 211951, 450835, 1059755, 1483657, 2331461, 7418285, 11657305, 16320227, 81601135]

約数ペア:

[(1, 81601135), (5, 16320227), (7, 11657305), (11, 7418285), (35, 2331461), (55, 1483657), (77, 1059755), (181, 450835), (385, 211951), (905, 90167), (1171, 69685), (1267, 64405), (1991, 40985), (5855, 13937), (6335, 12881), (8197, 9955)]