25168689

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 45427200

約数和(自身を除く): 20258511

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 389, 553, 711, 819, 1027, 1167, 1659, 2723, 3081, 3501, 4977, 5057, 7189, 8169, 9243, 15171, 21567, 24507, 30731, 35399, 45513, 64701, 92193, 106197, 215117, 276579, 318591, 399503, 645351, 1198509, 1936053, 2796521, 3595527, 8389563, 25168689]

約数ペア:

[(1, 25168689), (3, 8389563), (7, 3595527), (9, 2796521), (13, 1936053), (21, 1198509), (39, 645351), (63, 399503), (79, 318591), (91, 276579), (117, 215117), (237, 106197), (273, 92193), (389, 64701), (553, 45513), (711, 35399), (819, 30731), (1027, 24507), (1167, 21567), (1659, 15171), (2723, 9243), (3081, 8169), (3501, 7189), (4977, 5057)]