81403775

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 103527600

約数和(自身を除く): 22123825

約数列:

[1, 5, 25, 59, 229, 241, 295, 1145, 1205, 1475, 5725, 6025, 13511, 14219, 55189, 67555, 71095, 275945, 337775, 355475, 1379725, 3256151, 16280755, 81403775]

約数ペア:

[(1, 81403775), (5, 16280755), (25, 3256151), (59, 1379725), (229, 355475), (241, 337775), (295, 275945), (1145, 71095), (1205, 67555), (1475, 55189), (5725, 14219), (6025, 13511)]