2181036645

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1307}}^1$

素因数の和:1631

約数の個数: 64

約数和(自身を含む): 3977994240

約数和(自身を除く): 1796957595

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 263, 423, 705, 789, 1269, 1307, 1315, 2115, 2367, 3921, 3945, 6345, 6535, 7101, 11763, 11835, 12361, 19605, 35289, 35505, 37083, 58815, 61429, 61805, 111249, 176445, 184287, 185415, 307145, 333747, 343741, 552861, 556245, 921435, 1031223, 1658583, 1668735, 1718705, 2764305, 3093669, 5156115, 8292915, 9281007, 15468345, 16155827, 46405035, 48467481, 80779135, 145402443, 242337405, 436207329, 727012215, 2181036645]

約数ペア:

[(1, 2181036645), (3, 727012215), (5, 436207329), (9, 242337405), (15, 145402443), (27, 80779135), (45, 48467481), (47, 46405035), (135, 16155827), (141, 15468345), (235, 9281007), (263, 8292915), (423, 5156115), (705, 3093669), (789, 2764305), (1269, 1718705), (1307, 1668735), (1315, 1658583), (2115, 1031223), (2367, 921435), (3921, 556245), (3945, 552861), (6345, 343741), (6535, 333747), (7101, 307145), (11763, 185415), (11835, 184287), (12361, 176445), (19605, 111249), (35289, 61805), (35505, 61429), (37083, 58815)]