64577979

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 103783680

約数和(自身を除く): 39205701

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 197, 213, 243, 513, 591, 639, 1349, 1539, 1773, 1917, 3743, 4047, 4617, 5319, 5751, 11229, 12141, 13987, 15957, 17253, 33687, 36423, 41961, 47871, 101061, 109269, 125883, 265753, 303183, 327807, 377649, 797259, 909549, 1132947, 2391777, 3398841, 7175331, 21525993, 64577979]

約数ペア:

[(1, 64577979), (3, 21525993), (9, 7175331), (19, 3398841), (27, 2391777), (57, 1132947), (71, 909549), (81, 797259), (171, 377649), (197, 327807), (213, 303183), (243, 265753), (513, 125883), (591, 109269), (639, 101061), (1349, 47871), (1539, 41961), (1773, 36423), (1917, 33687), (3743, 17253), (4047, 15957), (4617, 13987), (5319, 12141), (5751, 11229)]