2220647211

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3077

約数の個数: 64

約数和(自身を含む): 3651993600

約数和(自身を除く): 1431346389

約数列:

[1, 3, 9, 19, 27, 31, 47, 57, 93, 141, 171, 279, 423, 513, 589, 837, 893, 1269, 1457, 1767, 2679, 2971, 4371, 5301, 8037, 8913, 13113, 15903, 24111, 26739, 27683, 39339, 56449, 80217, 83049, 92101, 139637, 169347, 249147, 276303, 418911, 508041, 747441, 828909, 1256733, 1524123, 1749919, 2486727, 2653103, 3770199, 4328747, 5249757, 7959309, 12986241, 15749271, 23877927, 38958723, 47247813, 71633781, 82246193, 116876169, 246738579, 740215737, 2220647211]

約数ペア:

[(1, 2220647211), (3, 740215737), (9, 246738579), (19, 116876169), (27, 82246193), (31, 71633781), (47, 47247813), (57, 38958723), (93, 23877927), (141, 15749271), (171, 12986241), (279, 7959309), (423, 5249757), (513, 4328747), (589, 3770199), (837, 2653103), (893, 2486727), (1269, 1749919), (1457, 1524123), (1767, 1256733), (2679, 828909), (2971, 747441), (4371, 508041), (5301, 418911), (8037, 276303), (8913, 249147), (13113, 169347), (15903, 139637), (24111, 92101), (26739, 83049), (27683, 80217), (39339, 56449)]