18783315

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 15182253

約数列:

[1, 3, 5, 9, 15, 45, 47, 83, 107, 141, 235, 249, 321, 415, 423, 535, 705, 747, 963, 1245, 1605, 2115, 3735, 3901, 4815, 5029, 8881, 11703, 15087, 19505, 25145, 26643, 35109, 44405, 45261, 58515, 75435, 79929, 133215, 175545, 226305, 399645, 417407, 1252221, 2087035, 3756663, 6261105, 18783315]

約数ペア:

[(1, 18783315), (3, 6261105), (5, 3756663), (9, 2087035), (15, 1252221), (45, 417407), (47, 399645), (83, 226305), (107, 175545), (141, 133215), (235, 79929), (249, 75435), (321, 58515), (415, 45261), (423, 44405), (535, 35109), (705, 26643), (747, 25145), (963, 19505), (1245, 15087), (1605, 11703), (2115, 8881), (3735, 5029), (3901, 4815)]