61641567

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 106579200

約数和(自身を除く): 44937633

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 79, 81, 117, 169, 171, 237, 243, 247, 351, 507, 513, 711, 741, 1027, 1053, 1501, 1521, 1539, 2133, 2223, 3081, 3159, 3211, 4503, 4563, 4617, 6399, 6669, 9243, 9633, 13351, 13509, 13689, 19197, 19513, 20007, 27729, 28899, 40053, 40527, 41067, 58539, 60021, 83187, 86697, 120159, 121581, 175617, 249561, 253669, 260091, 360477, 364743, 526851, 761007, 780273, 1081431, 1580553, 2283021, 3244293, 4741659, 6849063, 20547189, 61641567]

約数ペア:

[(1, 61641567), (3, 20547189), (9, 6849063), (13, 4741659), (19, 3244293), (27, 2283021), (39, 1580553), (57, 1081431), (79, 780273), (81, 761007), (117, 526851), (169, 364743), (171, 360477), (237, 260091), (243, 253669), (247, 249561), (351, 175617), (507, 121581), (513, 120159), (711, 86697), (741, 83187), (1027, 60021), (1053, 58539), (1501, 41067), (1521, 40527), (1539, 40053), (2133, 28899), (2223, 27729), (3081, 20007), (3159, 19513), (3211, 19197), (4503, 13689), (4563, 13509), (4617, 13351), (6399, 9633), (6669, 9243)]