49720725

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1613}}^1$

素因数の和:1766

約数の個数: 36

約数和(自身を含む): 89760996

約数和(自身を除く): 40040271

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 411, 685, 1233, 1613, 2055, 3425, 4839, 6165, 8065, 10275, 14517, 24195, 30825, 40325, 72585, 120975, 220981, 362925, 662943, 1104905, 1988829, 3314715, 5524525, 9944145, 16573575, 49720725]

約数ペア:

[(1, 49720725), (3, 16573575), (5, 9944145), (9, 5524525), (15, 3314715), (25, 1988829), (45, 1104905), (75, 662943), (137, 362925), (225, 220981), (411, 120975), (685, 72585), (1233, 40325), (1613, 30825), (2055, 24195), (3425, 14517), (4839, 10275), (6165, 8065)]