161589421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 203420160

約数和(自身を除く): 41830739

約数列:

[1, 7, 23, 29, 53, 161, 203, 371, 653, 667, 1219, 1537, 4571, 4669, 8533, 10759, 15019, 18937, 34609, 35351, 105133, 132559, 242263, 247457, 435551, 796007, 1003661, 3048857, 5572049, 7025627, 23084203, 161589421]

約数ペア:

[(1, 161589421), (7, 23084203), (23, 7025627), (29, 5572049), (53, 3048857), (161, 1003661), (203, 796007), (371, 435551), (653, 247457), (667, 242263), (1219, 132559), (1537, 105133), (4571, 35351), (4669, 34609), (8533, 18937), (10759, 15019)]