2912505561

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 5079110400

約数和(自身を除く): 2166604839

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 79, 123, 147, 237, 287, 369, 441, 553, 711, 861, 1659, 2009, 2039, 2583, 3239, 3871, 4977, 6027, 6117, 9717, 11613, 14273, 18081, 18351, 22673, 29151, 34839, 42819, 68019, 83599, 99911, 128457, 158711, 161081, 204057, 250797, 299733, 476133, 483243, 585193, 752391, 899199, 1127567, 1428399, 1449729, 1755579, 3382701, 4096351, 5266737, 6604321, 7892969, 10148103, 12289053, 19812963, 23678907, 36867159, 46230247, 59438889, 71036721, 138690741, 323611729, 416072223, 970835187, 2912505561]

約数ペア:

[(1, 2912505561), (3, 970835187), (7, 416072223), (9, 323611729), (21, 138690741), (41, 71036721), (49, 59438889), (63, 46230247), (79, 36867159), (123, 23678907), (147, 19812963), (237, 12289053), (287, 10148103), (369, 7892969), (441, 6604321), (553, 5266737), (711, 4096351), (861, 3382701), (1659, 1755579), (2009, 1449729), (2039, 1428399), (2583, 1127567), (3239, 899199), (3871, 752391), (4977, 585193), (6027, 483243), (6117, 476133), (9717, 299733), (11613, 250797), (14273, 204057), (18081, 161081), (18351, 158711), (22673, 128457), (29151, 99911), (34839, 83599), (42819, 68019)]