431101719

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 673800192

約数和(自身を除く): 242698473

約数列:

[1, 3, 9, 23, 47, 69, 73, 141, 207, 219, 423, 607, 657, 1081, 1679, 1821, 3243, 3431, 5037, 5463, 9729, 10293, 13961, 15111, 28529, 30879, 41883, 44311, 78913, 85587, 125649, 132933, 236739, 256761, 398799, 656167, 710217, 1019153, 1968501, 2082617, 3057459, 5905503, 6247851, 9172377, 18743553, 47900191, 143700573, 431101719]

約数ペア:

[(1, 431101719), (3, 143700573), (9, 47900191), (23, 18743553), (47, 9172377), (69, 6247851), (73, 5905503), (141, 3057459), (207, 2082617), (219, 1968501), (423, 1019153), (607, 710217), (657, 656167), (1081, 398799), (1679, 256761), (1821, 236739), (3243, 132933), (3431, 125649), (5037, 85587), (5463, 78913), (9729, 44311), (10293, 41883), (13961, 30879), (15111, 28529)]