27262215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 49269792

約数和(自身を除く): 22007577

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 193, 215, 219, 365, 387, 579, 645, 657, 965, 1095, 1737, 1935, 2895, 3139, 3285, 8299, 8685, 9417, 14089, 15695, 24897, 28251, 41495, 42267, 47085, 70445, 74691, 124485, 126801, 141255, 211335, 373455, 605827, 634005, 1817481, 3029135, 5452443, 9087405, 27262215]

約数ペア:

[(1, 27262215), (3, 9087405), (5, 5452443), (9, 3029135), (15, 1817481), (43, 634005), (45, 605827), (73, 373455), (129, 211335), (193, 141255), (215, 126801), (219, 124485), (365, 74691), (387, 70445), (579, 47085), (645, 42267), (657, 41495), (965, 28251), (1095, 24897), (1737, 15695), (1935, 14089), (2895, 9417), (3139, 8685), (3285, 8299)]