23720985

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 21034215

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 73, 83, 87, 135, 145, 219, 249, 261, 365, 415, 435, 657, 747, 783, 1095, 1245, 1305, 1971, 2117, 2241, 2407, 3285, 3735, 3915, 6059, 6351, 7221, 9855, 10585, 11205, 12035, 18177, 19053, 21663, 30295, 31755, 36105, 54531, 57159, 64989, 90885, 95265, 108315, 163593, 175711, 272655, 285795, 324945, 527133, 817965, 878555, 1581399, 2635665, 4744197, 7906995, 23720985]

約数ペア:

[(1, 23720985), (3, 7906995), (5, 4744197), (9, 2635665), (15, 1581399), (27, 878555), (29, 817965), (45, 527133), (73, 324945), (83, 285795), (87, 272655), (135, 175711), (145, 163593), (219, 108315), (249, 95265), (261, 90885), (365, 64989), (415, 57159), (435, 54531), (657, 36105), (747, 31755), (783, 30295), (1095, 21663), (1245, 19053), (1305, 18177), (1971, 12035), (2117, 11205), (2241, 10585), (2407, 9855), (3285, 7221), (3735, 6351), (3915, 6059)]