171609955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 233404416

約数和(自身を除く): 61794461

約数列:

[1, 5, 11, 31, 55, 155, 251, 341, 401, 1255, 1705, 2005, 2761, 4411, 7781, 12431, 13805, 22055, 38905, 62155, 85591, 100651, 136741, 427955, 503255, 683705, 1107161, 3120181, 5535805, 15600905, 34321991, 171609955]

約数ペア:

[(1, 171609955), (5, 34321991), (11, 15600905), (31, 5535805), (55, 3120181), (155, 1107161), (251, 683705), (341, 503255), (401, 427955), (1255, 136741), (1705, 100651), (2005, 85591), (2761, 62155), (4411, 38905), (7781, 22055), (12431, 13805)]