16528617

素因数分解:

$3^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 56

約数和(自身を含む): 29379840

約数和(自身を除く): 12851223

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 79, 81, 123, 189, 237, 243, 287, 369, 553, 567, 711, 729, 861, 1107, 1659, 1701, 2133, 2583, 3239, 3321, 4977, 5103, 6399, 7749, 9717, 9963, 14931, 19197, 22673, 23247, 29151, 29889, 44793, 57591, 68019, 69741, 87453, 134379, 204057, 209223, 262359, 403137, 612171, 787077, 1836513, 2361231, 5509539, 16528617]

約数ペア:

[(1, 16528617), (3, 5509539), (7, 2361231), (9, 1836513), (21, 787077), (27, 612171), (41, 403137), (63, 262359), (79, 209223), (81, 204057), (123, 134379), (189, 87453), (237, 69741), (243, 68019), (287, 57591), (369, 44793), (553, 29889), (567, 29151), (711, 23247), (729, 22673), (861, 19197), (1107, 14931), (1659, 9963), (1701, 9717), (2133, 7749), (2583, 6399), (3239, 5103), (3321, 4977)]