78377985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4079}}^1$

素因数の和:4158

約数の個数: 48

約数和(自身を含む): 157847040

約数和(自身を除く): 79469055

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 2135, 2745, 3843, 4079, 6405, 12237, 19215, 20395, 28553, 36711, 61185, 85659, 142765, 183555, 248819, 256977, 428295, 746457, 1244095, 1284885, 1741733, 2239371, 3732285, 5225199, 8708665, 11196855, 15675597, 26125995, 78377985]

約数ペア:

[(1, 78377985), (3, 26125995), (5, 15675597), (7, 11196855), (9, 8708665), (15, 5225199), (21, 3732285), (35, 2239371), (45, 1741733), (61, 1284885), (63, 1244095), (105, 746457), (183, 428295), (305, 256977), (315, 248819), (427, 183555), (549, 142765), (915, 85659), (1281, 61185), (2135, 36711), (2745, 28553), (3843, 20395), (4079, 19215), (6405, 12237)]