71357409

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 108103680

約数和(自身を除く): 36746271

約数列:

[1, 3, 9, 27, 101, 137, 191, 303, 411, 573, 909, 1233, 1719, 2727, 3699, 5157, 13837, 19291, 26167, 41511, 57873, 78501, 124533, 173619, 235503, 373599, 520857, 706509, 2642867, 7928601, 23785803, 71357409]

約数ペア:

[(1, 71357409), (3, 23785803), (9, 7928601), (27, 2642867), (101, 706509), (137, 520857), (191, 373599), (303, 235503), (411, 173619), (573, 124533), (909, 78501), (1233, 57873), (1719, 41511), (2727, 26167), (3699, 19291), (5157, 13837)]