977984925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20731}}^1$

素因数の和:20798

約数の個数: 48

約数和(自身を含む): 1758405312

約数和(自身を除く): 780420387

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 425, 555, 629, 925, 1275, 1887, 2775, 3145, 9435, 15725, 20731, 47175, 62193, 103655, 310965, 352427, 518275, 767047, 1057281, 1554825, 1762135, 2301141, 3835235, 5286405, 8810675, 11505705, 13039799, 19176175, 26432025, 39119397, 57528525, 65198995, 195596985, 325994975, 977984925]

約数ペア:

[(1, 977984925), (3, 325994975), (5, 195596985), (15, 65198995), (17, 57528525), (25, 39119397), (37, 26432025), (51, 19176175), (75, 13039799), (85, 11505705), (111, 8810675), (185, 5286405), (255, 3835235), (425, 2301141), (555, 1762135), (629, 1554825), (925, 1057281), (1275, 767047), (1887, 518275), (2775, 352427), (3145, 310965), (9435, 103655), (15725, 62193), (20731, 47175)]