25813305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 54205632

約数和(自身を除く): 28392327

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 227, 285, 315, 361, 399, 665, 681, 855, 1083, 1135, 1197, 1589, 1805, 1995, 2043, 2527, 3249, 3405, 4313, 4767, 5415, 5985, 7581, 7945, 10215, 12635, 12939, 14301, 16245, 21565, 22743, 23835, 30191, 37905, 38817, 64695, 71505, 81947, 90573, 113715, 150955, 194085, 245841, 271719, 409735, 452865, 573629, 737523, 1229205, 1358595, 1720887, 2868145, 3687615, 5162661, 8604435, 25813305]

約数ペア:

[(1, 25813305), (3, 8604435), (5, 5162661), (7, 3687615), (9, 2868145), (15, 1720887), (19, 1358595), (21, 1229205), (35, 737523), (45, 573629), (57, 452865), (63, 409735), (95, 271719), (105, 245841), (133, 194085), (171, 150955), (227, 113715), (285, 90573), (315, 81947), (361, 71505), (399, 64695), (665, 38817), (681, 37905), (855, 30191), (1083, 23835), (1135, 22743), (1197, 21565), (1589, 16245), (1805, 14301), (1995, 12939), (2043, 12635), (2527, 10215), (3249, 7945), (3405, 7581), (4313, 5985), (4767, 5415)]