16481745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 34007040

約数和(自身を除く): 17525295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 163, 189, 315, 321, 489, 535, 749, 815, 945, 963, 1141, 1467, 1605, 2247, 2445, 2889, 3423, 3745, 4401, 4815, 5705, 6741, 7335, 10269, 11235, 14445, 17115, 17441, 20223, 22005, 30807, 33705, 51345, 52323, 87205, 101115, 122087, 154035, 156969, 261615, 366261, 470907, 610435, 784845, 1098783, 1831305, 2354535, 3296349, 5493915, 16481745]

約数ペア:

[(1, 16481745), (3, 5493915), (5, 3296349), (7, 2354535), (9, 1831305), (15, 1098783), (21, 784845), (27, 610435), (35, 470907), (45, 366261), (63, 261615), (105, 156969), (107, 154035), (135, 122087), (163, 101115), (189, 87205), (315, 52323), (321, 51345), (489, 33705), (535, 30807), (749, 22005), (815, 20223), (945, 17441), (963, 17115), (1141, 14445), (1467, 11235), (1605, 10269), (2247, 7335), (2445, 6741), (2889, 5705), (3423, 4815), (3745, 4401)]