2028689901

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1815

約数の個数: 64

約数和(自身を含む): 3522355200

約数和(自身を除く): 1493665299

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 83, 189, 237, 249, 553, 581, 711, 747, 1637, 1659, 1743, 2133, 2241, 4911, 4977, 5229, 6557, 11459, 14733, 14931, 15687, 19671, 34377, 44199, 45899, 59013, 103131, 129323, 135871, 137697, 177039, 309393, 387969, 407613, 413091, 905261, 951097, 1163907, 1222839, 1239273, 2715783, 2853291, 3491721, 3668517, 8147349, 8559873, 10733809, 24442047, 25679619, 32201427, 75136663, 96604281, 225409989, 289812843, 676229967, 2028689901]

約数ペア:

[(1, 2028689901), (3, 676229967), (7, 289812843), (9, 225409989), (21, 96604281), (27, 75136663), (63, 32201427), (79, 25679619), (83, 24442047), (189, 10733809), (237, 8559873), (249, 8147349), (553, 3668517), (581, 3491721), (711, 2853291), (747, 2715783), (1637, 1239273), (1659, 1222839), (1743, 1163907), (2133, 951097), (2241, 905261), (4911, 413091), (4977, 407613), (5229, 387969), (6557, 309393), (11459, 177039), (14733, 137697), (14931, 135871), (15687, 129323), (19671, 103131), (34377, 59013), (44199, 45899)]