212311143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 346788000

約数和(自身を除く): 134476857

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 149, 333, 389, 407, 447, 1167, 1221, 1341, 1639, 3501, 3663, 4279, 4917, 5513, 12837, 14393, 14751, 16539, 38511, 43179, 49617, 57961, 60643, 129537, 158323, 173883, 181929, 474969, 521649, 545787, 637571, 1424907, 1912713, 2144557, 5738139, 6433671, 19301013, 23590127, 70770381, 212311143]

約数ペア:

[(1, 212311143), (3, 70770381), (9, 23590127), (11, 19301013), (33, 6433671), (37, 5738139), (99, 2144557), (111, 1912713), (149, 1424907), (333, 637571), (389, 545787), (407, 521649), (447, 474969), (1167, 181929), (1221, 173883), (1341, 158323), (1639, 129537), (3501, 60643), (3663, 57961), (4279, 49617), (4917, 43179), (5513, 38511), (12837, 16539), (14393, 14751)]