49780521

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 86676480

約数和(自身を除く): 36895959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 197, 441, 573, 591, 1323, 1337, 1379, 1719, 1773, 4011, 4137, 5157, 5319, 9359, 9653, 12033, 12411, 28077, 28959, 36099, 37233, 37627, 84231, 86877, 112881, 252693, 260631, 263389, 338643, 790167, 1015929, 1843723, 2370501, 5531169, 7111503, 16593507, 49780521]

約数ペア:

[(1, 49780521), (3, 16593507), (7, 7111503), (9, 5531169), (21, 2370501), (27, 1843723), (49, 1015929), (63, 790167), (147, 338643), (189, 263389), (191, 260631), (197, 252693), (441, 112881), (573, 86877), (591, 84231), (1323, 37627), (1337, 37233), (1379, 36099), (1719, 28959), (1773, 28077), (4011, 12411), (4137, 12033), (5157, 9653), (5319, 9359)]