63947793

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 108144960

約数和(自身を除く): 44197167

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 109, 147, 273, 307, 327, 637, 763, 921, 1417, 1911, 2149, 2289, 3991, 4251, 5341, 6447, 9919, 11973, 15043, 16023, 27937, 29757, 33463, 45129, 69433, 83811, 100389, 195559, 208299, 234241, 435019, 586677, 702723, 1305057, 1639687, 3045133, 4919061, 9135399, 21315931, 63947793]

約数ペア:

[(1, 63947793), (3, 21315931), (7, 9135399), (13, 4919061), (21, 3045133), (39, 1639687), (49, 1305057), (91, 702723), (109, 586677), (147, 435019), (273, 234241), (307, 208299), (327, 195559), (637, 100389), (763, 83811), (921, 69433), (1417, 45129), (1911, 33463), (2149, 29757), (2289, 27937), (3991, 16023), (4251, 15043), (5341, 11973), (6447, 9919)]