161377203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2447}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 246758400

約数和(自身を除く): 85381197

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 2447, 3471, 5073, 7341, 21983, 31811, 46493, 65949, 95433, 139479, 217783, 604409, 653349, 1813227, 2831179, 4137877, 8493537, 12413631, 53792401, 161377203]

約数ペア:

[(1, 161377203), (3, 53792401), (13, 12413631), (19, 8493537), (39, 4137877), (57, 2831179), (89, 1813227), (247, 653349), (267, 604409), (741, 217783), (1157, 139479), (1691, 95433), (2447, 65949), (3471, 46493), (5073, 31811), (7341, 21983)]