1661892009

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 2343686400

約数和(自身を除く): 681794391

約数列:

[1, 3, 29, 53, 87, 159, 439, 821, 1317, 1537, 2463, 4611, 12731, 23267, 23809, 38193, 43513, 69801, 71427, 130539, 360419, 674743, 1081257, 1261877, 2024229, 3785631, 10452151, 19102207, 31356453, 57306621, 553964003, 1661892009]

約数ペア:

[(1, 1661892009), (3, 553964003), (29, 57306621), (53, 31356453), (87, 19102207), (159, 10452151), (439, 3785631), (821, 2024229), (1317, 1261877), (1537, 1081257), (2463, 674743), (4611, 360419), (12731, 130539), (23267, 71427), (23809, 69801), (38193, 43513)]