51228471

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 83967840

約数和(自身を除く): 32739369

約数列:

[1, 3, 7, 21, 29, 49, 61, 87, 147, 183, 197, 203, 427, 591, 609, 1281, 1379, 1421, 1769, 2989, 4137, 4263, 5307, 5713, 8967, 9653, 12017, 12383, 17139, 28959, 36051, 37149, 39991, 84119, 86681, 119973, 252357, 260043, 279937, 348493, 588833, 839811, 1045479, 1766499, 2439451, 7318353, 17076157, 51228471]

約数ペア:

[(1, 51228471), (3, 17076157), (7, 7318353), (21, 2439451), (29, 1766499), (49, 1045479), (61, 839811), (87, 588833), (147, 348493), (183, 279937), (197, 260043), (203, 252357), (427, 119973), (591, 86681), (609, 84119), (1281, 39991), (1379, 37149), (1421, 36051), (1769, 28959), (2989, 17139), (4137, 12383), (4263, 12017), (5307, 9653), (5713, 8967)]