51564639

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 81861120

約数和(自身を除く): 30296481

約数列:

[1, 3, 7, 21, 29, 87, 203, 227, 373, 609, 681, 1119, 1589, 2611, 4767, 6583, 7833, 10817, 19749, 32451, 46081, 75719, 84671, 138243, 227157, 254013, 592697, 1778091, 2455459, 7366377, 17188213, 51564639]

約数ペア:

[(1, 51564639), (3, 17188213), (7, 7366377), (21, 2455459), (29, 1778091), (87, 592697), (203, 254013), (227, 227157), (373, 138243), (609, 84671), (681, 75719), (1119, 46081), (1589, 32451), (2611, 19749), (4767, 10817), (6583, 7833)]