161489415

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 265743360

約数和(自身を除く): 104253945

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 471, 705, 785, 1459, 2355, 4377, 7295, 7379, 21885, 22137, 36895, 68573, 110685, 205719, 229063, 342865, 687189, 1028595, 1145315, 3435945, 10765961, 32297883, 53829805, 161489415]

約数ペア:

[(1, 161489415), (3, 53829805), (5, 32297883), (15, 10765961), (47, 3435945), (141, 1145315), (157, 1028595), (235, 687189), (471, 342865), (705, 229063), (785, 205719), (1459, 110685), (2355, 68573), (4377, 36895), (7295, 22137), (7379, 21885)]