165731215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6521}}^1$

素因数の和:6579

約数の個数: 32

約数和(自身を含む): 236670336

約数和(自身を除く): 70939121

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 6521, 25415, 32605, 84773, 110857, 149983, 423865, 554285, 749915, 1441141, 1949779, 2549711, 7205705, 9748895, 12748555, 33146243, 165731215]

約数ペア:

[(1, 165731215), (5, 33146243), (13, 12748555), (17, 9748895), (23, 7205705), (65, 2549711), (85, 1949779), (115, 1441141), (221, 749915), (299, 554285), (391, 423865), (1105, 149983), (1495, 110857), (1955, 84773), (5083, 32605), (6521, 25415)]